Sigma Industrial Co., Ltd.

Taiwan Manufacturers, Exporters.

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Manufacturer of ball valves

Founded in 1980, Sigma Industrial Inc. has been specializing in manufacturing and exporting stainless steel (304, 316, 304l, 316l, 316t1) and carbon steel ball valves for more than 20 years. Sigma's ball valve products are suitable for many different industries including petrochemical, food, ship building, paper, chemical, agricultural, piping, construction and dyeing industry applications. Sigma's ball valve products have been exported to more than 30 countries

All Products

3 - PC BOLTED / MOUNT DIRECT BALL VALVE
  • Model No:
    SA-301DM
  • Product Description:
    High quality investment Casting body and caps.
    Designed for pneumatic actuator mount direct on the ISO-5211 top-flange,
    and with ISO-5211 square stem.
    Pressure temperature rating : 1000 PSI (PN63) / 450 deg. F
    15% reinforced glass fibrous Teflon ...
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1- PC HEXAGON TYPE STAINLESS STEEL BALL VALVE
  • Model No:
    SA-103
  • Product Description:
    * For chemical and industrial applications.
    * High quality investment casting body.
    * Pressure temperature rating : 1000 PSI (PN63) /450 deg. F
    15% reinforced Glassfibre Teflon seats
    * Blow-out proof stem S/S 316
    * 100% tested air-under water at...
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Full Port Stainless Steel Ball Valve
  • Model No:
    SAF201
  • Product Description:
    Split Body to Allow Inspection and Maintenance on All Internal Parts.
    Anti-Static Device, Blow-out Proof Stem, Solid Ball., Lever-Operator.
    Fire Safe Design, with Virgin(Pure) Teflon Seats.
    Pressure Test Standard Acc. To ANSI B16.34
    Investment Ca...
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2 - PC SCREWED BODY STAINLESS STEEL BALL VALVE
  • Model No:
    SA-201
  • Product Description:
    * High quality investment casting body and caps.
    * Pressure temperature rating : 1000 PSI (PN63) / 450deg. F
    * Virgin (Pure) Teflon seats
    * Blow-out proof stem S/S 316, adjustable stem packing
    100% tested air-under water at 100 PSI (6 Bars) open ...
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CLASS 3000 MALE/MALE HIGH PRESSURE BALL VALVE
  • Model No:
    SA-3FH-3000-M/M
  • Product Description:
    * Material: SS316, CF8M (1.4408), SS304, CF8 (1.4401), WCB
    * Size: 1/4"~2" Standard Bore (ANSI 2000/2160 PSI)
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2-PC Stainless Steel Full Port Ball Valves
  • Model No:
    SA-202DM
  • Product Description:
    2 - pc stainless steel ball valves. full port. 1000 wog, direct mounting:
    1. Thread end: BSPT, NPT, DIN 259, DIN2999.
    2. Materials: ASTM A351-CF8M (DIN 1.4408) stainless steel, ASTM A216-WCB (DIN 1.0619) carbon steel.
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3-PC Full Port Ball Valves
  • Model No:
    N/A
  • Product Description:
    3-PC ball valves. full port. 1000 wog with iso mounting pad:
    1. End type: threaded end. socket weld end. butt-weld end.
    2. Materials:
    (1) ASTM A351-CF8M (DIN 1.4408) stainless steel.
    (2) ASTM A216-WCB (DIN 1.0619) carbon steel.
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3-PC Extension Butt Weld End & Direct Mounting Ball Valves
  • Model No:
    SA-301L
  • Product Description:
    1. 3-piece body, full port, PN63 extension butt weld, direct mounting pad.
    2. Materials: ASTM A351-CF8M (DIN 1.4408) stainless steel.
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3-PC Full Bore & Screwed End Ball Valves
  • Model No:
    SA-302
  • Product Description:
    1. End type: butt-weld / socket weld / threaded end.
    2. Materials:
    (1) Astm A351-CF8M (DIN 1.4408) stainless steel.
    (2) Astm A216-WCB (DIN 1.0169) carbon steel.
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Three Way Stainless Steel 316 Standard Bore Ball Valves
  • Model No:
    SA-503M
  • Product Description:
    3-way S/S316(l& T-port) standard bore ball valves. Reduced port.:
    1. 1000 wog.
    2. Thread end: BSPT, NPT, DIN259, DIN2999.
    3. Materials:
    (1) ASTM A351-CF8M(DIN 1.4408)stainless steel.
    (2) ASTM A216-WCB(DIN 1.0619)carbon steel.
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Stainless Steel Flanged Ball Valves
  • Model No:
    SAF-101
  • Product Description:
    One-piece body, stainless steel flanged ball valves, standard port:
    1. Size: 1/2"-6" standard port.
    2. Ansi 150/300lbs.
    3. Flange dimension: ansi b16.5 class 150, one request drilling to iso(din)pn10/16.
    4. Face to face dimensions: ans...
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Flanged Endsight Glass
  • Model No:
    SAF-205
  • Product Description:
    SAF-205
    FLANGED ENDSIGHT GLASS
    CLASS 150 / PN16 / 10K

    * The flange ends refers ANSI B16.5/ DIN 250
    * Face to Face: DIN 3202 part1-F1
    * Max working temperature 390ºF at 145 PSI
    * Max working pressure 232 PSI at 125ºF
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Screwed End Sight Glass
  • Model No:
    SA-205
  • Product Description:
    * The thread ends refers to ASME B1.20.1(NPT) ISO 228/1 & ISO7/1
    * DIN 2999
    * Investment casting / Max working temperature
    * 200ºC at 145 PSI
    Max working pressure 232 PSI at 50ºC
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Stainless Steel Flanged Ball Valves
  • Model No:
    SAF-203
  • Product Description:
    Split body type, stainless steel flanged ball valve, full port.
    1. Flange dimension: JIS b2212 (10k).
    2. Face to face dimension: JIS b2002.
    3. Material: CF8M(SCS 14), CF8(SCS 13), WCB(carbon steel).
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2-PC Tube/Tube Screwed End Ball Valves
  • Model No:
    SA-2S-T/T
  • Product Description:
    2-PC TUBE/TUBE SCREWED END BALL VALVE-
    1. Investment Casting Body and Cap.
    2. Pure Teflon Seals and Seats.
    3. Blow-Out Proof Stem.
    4. 100% Leakage Tested At 100 PSI Air Under Water.
    5. Locking Device (Option)
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3-PC Stainless Steel Flanged Ball Valves
  • Model No:
    SAF-302
  • Product Description:
    1: Flange: din2633-pn-16 / din2635-pn40.
    2. Face to face: DIN3202-f1 length.
    3. Materials:
    (1) ASTM A351-CF8M (DIN 1.4408) stainless steel.
    (2) ASTM A216-WCB (DIN 1.0619) carbon steel.
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2PC High Pressure Ball Valves
  • Model No:
    SABV-21
  • Product Description:
    2-PC DIRECT MOUNT BALL VALVE-
    1. Each integrated ISO-5211 Mounting Pad
    2. Square Stem can be with direct Mount without Bracket/Adaptor.
    3. Stem is with Blow-out Proof design as well as Anti-Static device.
    4. Viton O-Ring on Stem gives extra suppo...
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Compact (Wafer) Type Flanged Ball Valves
  • Model No:
    SAF-102
  • Product Description:
    Compact (wafer) type flanged ball valve:
    1. 150 LBS, PN 16, PN 40, full bore.
    2. Flange dimensions: DIN 2633-PN16. DIN 2635-PN40. ANSI 150 LBS.
    3. Material:
    (1) Astm a351-cf8m (din 1.4408) stainless steel.
    (2) Astm a216-wcb(din 1.0619) carbo...
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1 - PC Hexagon Type Stainless Steel Ball Valves
  • Model No:
    SA-102
  • Product Description:
    1 - PC HEXAGON TYPE STAINLESS STEEL BALL VALVES-
    1. High quality investment Casting Body.
    2. Pressure temperature rating : 1000 PSI (PN 63) / 450 deg. F
    3. 15% reinforced Glassfibre Teflon seats
    4. Blow-out proof stem S/S 316
    5. 100% tested ...
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Ansi Flanged Gate Valves
  • Model No:
    SAF-601
  • Product Description:
    Ansi flanged gate valve class 150 & 300:
    1. Flange: ansi b16.5 class 150 & 300, face to face: ansi b 16.10.
    2. Material CF8M (SS 316), CF8(SS 304), WCB(cast steel).
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3 PC Sanitary Ball Valves
  • Model No:
    SA-301SB
  • Product Description:
    Character:
    1. Padlocking device.
    2. Actuator mounting bracket.
    3. Locking device.
    4. Adjustable stem packing.
    5. Blow-out proof stem design.
    6. Body and end caps are investment cast.
    7. Available in stainless steel body construction.
    8. End T...
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Ansi Flanged Globe Valves
  • Model No:
    SAF-701
  • Product Description:
    Ansi flanged globe valve class 150 & 300 (sand-casting process):
    1. Flange: ansi b16.5 class 150 & 300, face to face: ANSI B16.10.
    2. Material CF8M (SS 316), CF8(SS 304), WCB(cast steel).
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Tank Bottom Ball Valves
  • Model No:
    SAF-303
  • Product Description:
    JIS 10K/ANSI 150# flange end.
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Ansi Flanged Swing Check Valves
  • Model No:
    SAF-801
  • Product Description:
    Ansi flanged swing check valve class 150 & 300:
    1. Flange: ANSI B 16.5 class 150 & 300, face to face: ANSI B16.10.
    2. Material: CF8M (SS 316), CF8(SS 304), WCB(cast steel).
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4 PCS 3 Way Sanitary Butt-Weld End Ball Valves
  • Model No:
    SA-4MBS
  • Product Description:
    1. Direct mounting pad.
    2. Investment casting body and cap.
    3. Working pressure 1/2"~4" 1000 PSI.
    4. Pure teflon seals and seats.
    5. Blow-out proof stem.
    6. 100% leakage tested At 100 PSI air under water.
    7. ISO 5211 mounting pad for...
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Three Way Ball Valves
  • Model No:
    SA-503
  • Product Description:
    Three way t-316 ball valve, 2-pcs body, standard port, 1000-1500wog, L or T port, threaded ends, two seats:
    1. Materials:
    (1) Astm a351-cf8m(din 1.4408)stainless steel.
    (2) Astm a216-wcb(din 1.0619)carbon steel.
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Sanitary Pipe Fittings
  • Model No:
    N/A
  • Product Description:
    Clamp fittings, butt welding fittings, union, elbow 90, elbw 45, cross, reducer.
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Wafer Type Butterfly Valves
  • Model No:
    SA-401
  • Product Description:
    1. Face to face dimensions: ISO-5752/5.
    2. Flange dimensions: ANSI-150, BS-10/E, JIS-10K, DIN-PN10.
    3. Pressure testing rating: ISO-5208, API-598.
    4. Pressure rating: 150 PSI (10 bars).
    5. Operation: lever or gear operator.
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Quick Couplings, Camlocks, Groove Couplers
  • Model No:
    N/A
  • Product Description:
    1. Type A: male adapter / female thread.
    2. Type B: male coupler / male thread.
    3. Type C: male coupler / hose shank.
    4. Type D: male coupler / female thread.
    5. Type E: male adapter / hose shank.
    6. Type F: male adapter / male thread.
    7. ...
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Y-Type Globe Valves
  • Model No:
    SA-701Y
  • Product Description:
    1. High quality investment casting body/ bonnet.
    2. Pressure temperature rating: 600 PSI (PN40)/ 350deg. F.
    3. Screwed bonnet, flat wedge disc, teflon seat.
    4. Rising stem, hand wheel.
    5. NBR seat or EPDM seat (option).
    6. 100% tested air-under ...
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Stainless Steel Balls
  • Model No:
    N/A
  • Product Description:
    We are currently supplied our stainless steel balls to our valuable clients in Italy, Germany, United Kingdom, Spain, France, USA, India, Austria, South Africa, Korea, China, etc.
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Y-Spring Check Valves
  • Model No:
    SA-801s
  • Product Description:
    1. High quality investment casting body/cap.
    2. Pressure temperature rating: 800 PSI(PN 40)/350 deg. F
    3. PTFE disc seat, stainless steel piston and spring.
    4. 100% tested air-under water at 100 PSI (6 bars).
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Steel Flanges
  • Model No:
    N/A
  • Product Description:
    1. Made of high grade raw materials, our flanges can be used in varied applications.
    2. All flanges we produced are highly strong and durable.
    3. Flange types: Blind, welding neck, slip-on, socket welding, lap-joint thread.
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High Pressure Ball Valves
  • Model No:
    SA-3WRH-3000
  • Product Description:
    1. Investment casting body and cap.
    2. Working pressure 1/4"~1/2" 1000 PSI.
    3. Pure teflon seals and seats.
    4. Blow-out proof stem.
    5. 100% leakage tested at 100 PSI air under water.
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1-PC Hexagon Type Stainless Steel Ball Valves
  • Model No:
    SA-102
  • Product Description:
    1. Investment casting body and cap.
    2. Pressure temperature rating: 1000 PSI (PN 63) / 450 deg. F.
    3. 15% reinforced glassfibre teflon seats.
    4. Blow-out proof stem S/S 316.
    5. 100% tested air-under water at 100PSI (6 bars) open and close positio...
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2-Pc Ball Valves (Full Port 1000-2000 Wog Heavy Pattern)
  • Model No:
    SA-201H
  • Product Description:
    1. Thread end: BSPT, NPT, DIN259, DIN2999.
    2. Materials:
    (1) ASTM A351-CF8M (DIN 1.4408) stainless steel.
    (2) ASTM A351-CF8(DIN 1.4308) stainless steel.
    (3) ASTM A216-WCB (DIN 1.0619) carbon steel.
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Flanged Swing Check Valves
  • Model No:
    SAF-801
  • Product Description:
    ANSI class 150 & 300 flanged swing check valve.
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Class 200 Stainless Steel AISI316 Globe Valves
  • Model No:
    SA-701
  • Product Description:
    1. Thread end: BSPT, NPT, DIN259, DIN 2999.
    2. Materials: ASTM A351-CF8M(DIN 1.4408) stainless steel.
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3 PC Full Port Ball Valves
  • Model No:
    SA-301
  • Product Description:
    1. 3-PC ball valves. full port. 1000 wog.
    2. End type: threaded end. socket weld end. butt-weld end.
    3. Materials:
    (1) ASTM A351-CF8M (DIN 1.4408) stainless steel.
    (2) ASTM A216-WCB(DIN 1.0619) carbon steel.
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3-PC T-316 CHECK VALVE
  • Model No:
    CHE3F
  • Product Description:
    * High Quality Investment Casting Body and Caps.
    * Pressure temperature Rating : 1000 PSI(PN 63)/450deg. F
    * 100% tested air-under water at 100 PSI(6 Bars) open &Close position.
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3-WAY BALL VALVE
  • Model No:
    SA-503DMTC
  • Product Description:
    * DESIGN:ANSI B16.34
    * TEST:AP1598
    * LEVER OPERATED
    * INVESTMENT CASTING BODY
    * WITH ISO 5211 DIRECT MOUNTING PAD
    * LOCKING DEVICE
    * THERE ARE FOUR SEATS
    * L-PORT OR T-PORT AVAILABLE 360° PADLOCKING HANDLE
    * 4-WAY TYPE
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THREE WAY T-316 BALL VALVE
  • Model No:
    SA-503
  • Product Description:
    * HIGH QUALITY INVESTMENT CASTING BODY CAPS.
    * 100% TESTED AIR-UNDER WATER AT 100 PSI (6 BARS)OPEN & CLOSE POSITION
    * WITH ISO5211 MOUNTING PAD FOR ACTUATOR
    * BLOW-OUT PROOF STEM S/S 316. ADJUSTABLE STEM PACKING
    * LOCKING DEVICE AVAILABLE...
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CLASS 2000/2160 HIGH PRESSURE BALL VALVE
  • Model No:
    SA-2SHM-2000 / 2160
  • Product Description:
    * Investment Casting Body and Cap.
    * Anti-Blow-Out Stem. Anti-Static Device.
    * Adjustable Stem Packing.
    * RTFE Seals and Seats.
    * 100% Leakage Tested At 100 PSI Air Under Water
    * Locking Device (Option)
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2 - PC SCREWED BODY STAINLESS STEEL BALL VALVES
  • Model No:
    SA-201P
  • Product Description:
    * High quality investment casting body and caps.
    * Pressure temperature rating : 1000 PSI ( PN63) / 450 deg. F
    * Virgin (Pure ) Teflon seats
    * Blow-out proof stem S/S 316, adjustable stem packing.
    * 100% test air-under water at 100 PSI (6 Bar...
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1-PC STAINLESS STEEL BALL VALVES
  • Model No:
    SA-101
  • Product Description:
    * For chemical and industrial application.
    * High quality investment casting body and caps.
    * Pressure temperature rating :
    * 1/4" - 3" 1000 PSI (PN63) / 450deg. F
    * 15% reinforced glass fibrous Teflon seats
    * Blow-out proof stem S...
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1-PC Round Type Stainless Steel Ball Valves
  • Model No:
    SA-104
  • Product Description:
    1-PC ROUND TYPE STAINLESS STEEL BALL VALVES-
    1. For chemical and industrial applications.
    2. High quality investment casting body.
    3. Pressure temperature rating : 800 PSI (PN53) /450 deg. F
    4. 15% reinforced Glassfibre Teflon seats
    5. Blow-...
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