EN

EN

Valve

Check Valves Prevent Backflow with Rapid Response and Stability

Check Valve

Production Range

NPS 2" – 24" (DN 50 – 600),
Class 150 – 1500 (PN 6 – PN 320) / Up to 570°C

NPS 2" – 24" (DN 50 – 600), Class 150 – 1500 (PN 6 – PN 320) / Up to 570°C

NPS 2" – 24" (DN 50 – 600), Class 150 – 1500 (PN 6 – PN 320) / Up to 570°C

Standard & Specification

API 594 & 6D, GB/T 12236
Testing: API 598, GB/T 13927 & 26480, JB/T 9092

End Connection

Flange, Wafer, Lug, Butt Welded

Operating Mode

Automatic

Materials

CS, SS, AS, Special Materials, Chrome-molybdenum Steel

Forged Steel Check Valve

General - Swing/Piston

General - Swing/Piston

Flanged - Swing/Piston

Lift Type - Swing/Piston

Flanged - Swing/Piston

Lift Type - Swing/Piston

| Main Materials

Body

A105N CS

Seat

ASTM A182 F6/Stellite 6 AS

Piston, Disc

ASTM A182 F6 AS

Gasket

316 SS Spiral Wound Grafoil

General

Production Range

NPS 1/2" – 2", CLASS 800 – 1500

Standard & Specification

API 602 | Face-to-Face: ASME B16.10
Test: API 598

API 602
Face-to-Face: ASME B16.10

Test: API 598

End Connection

Socket, Pipe Thread, G.P (ASME B1.20.1), Thread (ASME B16.11), Butt Weld (ASME B16.25)

Socket, Pipe Thread, G.P (ASME B1.20.1),
Thread (ASME B16.11), Butt Weld (ASME B16.25)

Socket, Butt Weld (ASME B16.25), Pipe Thread, G.P (ASME B1.20.1), Thread (ASME B16.11)

| Key Features

Swing or Lift Piston

Bolted, Welded & Union Bonnet

Conventional Ports

Lift Type

Production Range

NPS 1/2" – 2", CLASS 150 – 1500

Standard & Specification

API 602 | Face-to-Face: ASME B16.10
Test: API 598

API 602
Face-to-Face: ASME B16.10

Test: API 598

| Key Features

Swing or Lift Piston

Bolted, Welded & Union Bonnet

Y-Pattern (NPS 1/2" – 2", CLASS 800 – 2500 availble

Y-Pattern (NPS 1/2" – 2", CLASS 800 – 2500) availble

Y-Pattern (NPS 1/2" – 2", CLASS 800 – 2500) availble

Flanged

Production Range

NPS 1/2" – 2", CLASS 150 – 1500

Standard & Specification

API 602 | Face-to-Face: ASME B16.10
Test: API 598

API 602
Face-to-Face: ASME B16.10

Test: API 598

Operating Mode

Flange

| Key Features

Swing or Lift Piston

Bolted, Welded & Union Bonnet

Conventional Ports

Cast Steel Check Valve

Swing

Swing

Tilting Disc

Piston

Piston

Tilting Disc

| Main Materials

Body, Cover

CS: A216-WCB, A352-LCB, A217-WC6
AS: A217-WC9, C5, C12
SS: A351-CF8M

Seat

CS: A105, A182-F316, F11+STL
AS: F22+STL, F5a+STL, F9+STL
SS: A479-316

Disc

CS: A217-CA15/WCB+410, A351-CF8M/LCB+316
AS: A217-CA15/WC9, C5, C12+410
SS: A351-CF8M

Gasket

Graphite + 304SS

Swing

Production Range

NPS 1-1/2" – 36", CLASS 150 – 1500

NPS 1-1/2" – 36",
CLASS 150 – 1500

NPS 1-1/2" – 36",
CLASS 150 – 1500

Standard & Specification

API 600 | Face-to-Face: ASME B16.10

API 600
Face-to-Face: ASME B16.10

API 600
Face-to-Face: ASME B16.10

End Connection

Flange(ASME/ANSI B16.5), Butt Weld(ASME/ANSI B16.25)

Flange(ASME/ANSI B16.5),
Butt Weld(ASME/ANSI B16.25)

Flange(ASME/ANSI B16.5),
Butt Weld(ASME/ANSI B16.25)

| Key Features

Horizontal or Vertical Lines, Bolted Cover

Available in welded or threaded seat rings

Tilting Disc

Production Range

NPS 2" – 32", CLASS 150 – 600

Standard & Specification

ASME B16.34, API 6D
Face-to-Face: ASME B16.10

End Connection

Flange(ASME/ANSI B16.5), Butt Weld(ASME/ANSI B16.25)

Flange(ASME/ANSI B16.5),
Butt Weld(ASME/ANSI B16.25)

Flange(ASME/ANSI B16.5),
Butt Weld(ASME/ANSI B16.25)

| Key Features

Horizontal Lines, Bolted Cover

Lift Piston

Production Range

NPS 2" – 12", CLASS 150 – 900

Standard & Specification

ASME B16.34, API 6D
Face-to-Face: ASME B16.10

Operating Mode

Flange(ASME/ANSI B16.5), Butt Weld(ASME/ANSI B16.25)

Flange(ASME/ANSI B16.5),
Butt Weld(ASME/ANSI B16.25)

Flange(ASME/ANSI B16.5),
Butt Weld(ASME/ANSI B16.25)

| Key Features

Horizontal or Vertical Lines, Bolted Cover

Integral or Removable Seat, Metal to Metal

Cryogenic

Standard & Specification

API 600 & 603 | Testing: API 598

API 600 & 603
Testing: API 598

API 600 & 603
Testing: API 598

| Key Features

Precision-ground seating surface for a tight shut-off

Disc mated to seat ring for reliable sealing

Bolted disc-to-hinge arm for secure attachment

Pinned disc to prevent disengagement

Pressure Seal Check Valve

Swing

Swing

Piston

Piston

Y-Pattern

Tilting Disc

Y-Pattern

Y-Pattern

Tilting Disc

Tilting Disc

| Main Materials

Body, Bonnet

A216-WCB / A217-WC6, WC9, C5, C12 / A351-CF8M

Disc

(A216-WCB / A217-WC6, WC9, C5, C12 / A351-CF8M)+HF

Seats

CS / (A182-F11, F22, F5a, F9 / A240-316)+HF

Gasket

Soft Steel, 304SS, 316SS

| Key Features

Cast Steel

Horizontal or Vertical Lines

Piston, Y-Pattern) Lift Piston

Swing

Production Range

NPS 2" – 24", CLASS 600 - 2500

Standard & Specification

API 6D, BS 1868
Face-to-Face: ASME B16.10

End Connection

Flange (ASME/ANSI B16.5),
Butt Weld (ASME/ANSI B16.25)

Flange (ASME/ANSI B16.5), Butt Weld (ASME/ANSI B16.25)

Piston

Production Range

NPS 2-1/2" – 24", CLASS 600 - 2500

NPS 2-1/2" – 24",
CLASS 600 - 2500

NPS 2-1/2" – 24",
CLASS 600 - 2500

Standard & Specification

API 6D, BS 1868
Face-to-Face: ASME B16.10

Operating Mode

Flange (ASME/ANSI B16.5),
Butt Weld (ASME/ANSI B16.25)

Flange (ASME/ANSI B16.5), Butt Weld (ASME/ANSI B16.25)

Y Pattern

Production Range

NPS 2-1/2" – 24", CLASS 900 - 2500

NPS 2-1/2" – 24",
CLASS 900 - 2500

NPS 2-1/2" – 24",
CLASS 900 - 2500

Standard & Specification

API 6D, BS 1868
Face-to-Face: ASME B16.10

End Connection

Flange (ASME/ANSI B16.5),
Butt Weld (ASME/ANSI B16.25)

Flange (ASME/ANSI B16.5), Butt Weld (ASME/ANSI B16.25)

Tilting Disc

Production Range

NPS 2" – 16", CLASS 900 - 2500

Standard & Specification

API 6D, BS 1868
Face-to-Face: ASME B16.10

Operating Mode

Flange (ASME/ANSI B16.5),
Butt Weld (ASME/ANSI B16.25)

Flange (ASME/ANSI B16.5), Butt Weld (ASME/ANSI B16.25)

Special Check Valve

Non Slam Check Valve

Production Range

NPS 2" – 48", CLASS 150 - 2500

Standard & Specification

ASME B16.34, API 6D
Face-to-Face: ASME/ANSI B16.10

End Connection

Flange (ASME/ANSI B16.5),
Butt Weld (ASME/ANSI B16.25)

Flange (ASME/ANSI B16.5), Butt Weld (ASME/ANSI B16.25)

| Main Materials

Body,
Diffuser

Standard CS: ASTM A216 WCB
Low Temp. CS: ASTM A352 LCC
SS: ASTM A351 CF8M / 316SS

Disc

ASTM A351 CF8M / 316SS

Seat

Alloy 625

| Key Features

Cast Steel, Axial Flow

Spring-Assisted Closure, Watertight Seating

Uni-body, Horizontal or Vertical Lines

Low Pressure Drop: Optimized flow path minimizes energy loss and enhances system efficiency

Wafer

Wafer

Lug

Double Flanged

Hub Ends

Hub Ends

Lug

Double Flanged

Dual Plate Check Valve

| Main Materials

Body

CS: A216-WCB
Low Temp. CS: A352-LCC
SS: A351-CF8M

Disc
/Disc Seat

CS: A351-CF8M, A217-CA15
Low Temp. CS / SS: A351-CF8M

Spring

Inconel X-750

Body Seat

CS: A216-WCB, Viton, Stellite, 410 SS
Low Temp. CS: A352-LCC, Buna-N, Stellite
SS: A351-CF8M, Viton, Stellite

Wetted Parts

CS: 316 SS, 410 SS
Low Temp. CS / SS: 316 SS

Wafer

Production Range

NPS 1-1/2" – 60", CLASS 150 - 1500

NPS 1-1/2" – 60",
CLASS 150 - 1500

NPS 1-1/2" – 60",
CLASS 150 - 1500

Standard & Specification

API 594 & 6D, ASME B16.34 & B16.47
Face-to-Face: API 594 & 6D

API 594&6D, ASME B16.34&B16.47
Face-to-Face: API 594&6D

API 594&6D, ASME B16.34&B16.47
Face-to-Face: API 594&6D

End Connection

Flange (ASME/ANSI B16.5)

| Key Features

Cast Steel, Wafer Ends

Spring Loaded, Horizontal or Vertical Lines

Lug

Production Range

NPS 2" – 48", CLASS 150 - 1500

Standard & Specification

API 594 & 6D, ASME B16.34 & B16.47
Face-to-Face: API 594 & 6D

API 594&6D, ASME B16.34&B16.47
Face-to-Face: API 594&6D

API 594&6D, ASME B16.34&B16.47
Face-to-Face: API 594&6D

End Connection

Flange (ASME/ANSI B16.5)

| Key Features

Cast Steel, Wafer Ends

Fully Lugged, Spring Loaded, Horizontal or Vertical Lines

Double Flanged

Production Range

NPS 8" – 48", CLASS 150 - 1500

Standard & Specification

API 594 & 6D, ASME B16.34 & B16.47
Face-to-Face: API 594 & 6D

API 594&6D, ASME B16.34&B16.47
Face-to-Face: API 594&6D

API 594&6D, ASME B16.34&B16.47
Face-to-Face: API 594&6D

End Connection

Flange (ASME/ANSI B16.5)

| Key Features

Cast Steel

Spring Loaded, Horizontal or Vertical Lines

Hub Ends

Production Range

NPS 2" – 12", CLASS 600 - 2500

Standard & Specification

API 594 & 6D, ASME B16.34
Face-to-Face: API 594 & 6D

End Connection

Flange (ASME/ANSI B16.5)

| Key Features

Cast Steel

Spring Loaded, Horizontal or Vertical Lines

Swing Wafer

Swing Wafer

Wafer

Wafer

Single Plate Check Valve

| Key Features

Cast Steel, Wafer Ends

Spring Loaded, Horizontal or Vertical Lines

Swing Wafer

Production Range

NPS 2" – 24", CLASS 150 / 300

Standard & Specification

API 594 & 6D, ASME B16.34
Face-to-Face: API 594 & 6D

End Connection

Flange (ASME/ANSI B16.5)

Wafer

Production Range

DN 50 - 600, PN 10/16/25/40

Standard & Specification

EN Standard, ASME B16.34
Face-to-Face: EN Standard

End Connection

Flange (EN Standard)

Lift Wafer

Production Range

NPS 1/2" – 8", CLASS 150 / 300

Standard & Specification

API 594 & 6D, ASME B16.34
Face-to-Face: API 594 & 6D

End Connection

Flange (ASME/ANSI B16.5)

| Key Features

Cast Steel, Wafer Ends

Spring Loaded, Horizontal or Vertical Lines

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Our team will get in touch with you shortly. We are ready to discuss your needs and any questions you might have in detail.

Talk to our Specialist.

Our team will get in touch with you shortly.
We are ready to discuss your needs and any questions
you might have in detail.

Talk to our Specialist.

Our team will get in touch with you shortly. We are ready to discuss your needs and any questions you might have in detail.

Talk to our Specialist.

Our team will get in touch with you shortly. We are ready to discuss your needs and any questions you might have in detail.