Stainless steel vertical check valve

DN：DN50~1200

Class：PN10~25

Stand：GB/T 12236

Stainless steel check valve

DN：DN50~800

Class：PN16~25

Stand：GB/T 12236

American standard stainless steel swing check valve

DN：NPS2"~12"

Class：Class150~600

Stand：API 6D

American standard stainless steel check valve

DN：NPS2"~16"

Class：Class150~600

Stand：API 6D

Stainless steel check valve

DN：DN25~400

Class：PN16~250

Stand：GB/T 12236

American standard stainless steel check valve

DN：NPS2"~16"

Class：Class150~600

Stand：API 6D

American standard check valve

DN：NPS2"~32"

Class：Class150~1500

Stand：API 6D

Cryogenic check valve

DN：NPS1/2"~12" (DN15~300)

Class：Class150~600

Stand：BS 6364, API 6D, API 608, ASME B16.34

Cryogenic check valve

DN：NPS1/2"~12" (DN15~300)

Class：Class150~600

Stand：BS 6364, API 6D, API 608, ASME B16.34

Swing check valve

DN：DN50~500, NPS2"~20"

Class：PN16~250, Class150~2500

Stand：GB/T12236, API 6D, BS 1868

Swing check valve

DN：DN50~500, NPS2"~20"

Class：PN16~250, Class150~2500

Stand：GB/T12236, API 6D, BS 1868

Lift check valve (fully lined)

DN：DN15~300

Class：PN10~25, Class150~300

Stand：GB 12236

Swing check valve (fully lined)

DN：DN25~300

Class：PN10~25, Class150~300

Stand：GB 12236

Stainless steel lift check valve

DN：DN15~1000

Class：PN16~160

Stand：GB/T 12235, ASME B 16.34

Stainless steel vertical check valve

DN：DN15~500

Class：PN16~160

Stand：GB/T 12235, ASME B 16.34

Stainless steel swing check valve

DN：DN15~1000

Class：PN16~160

Stand：GB/T12236, ASME B 16.34

High performance nozzle type metal hard seal silent check valve

DN：DN300~1000

Class：PN10~25

Stand：BS EN 12334, DIN EN 12234

Butterfly slow closing check valve

DN：DN300~1600

Class：PN6~25

Stand：GB/T21387, GB/T12235

Rubber disc check valve

DN：DN50~500

Class：PN6~25

Stand：GB/T 13932

Micro resistance slow closing butterfly check valve

DN：DN50~1000

Class：PN6~25

Stand：JIS B 2074, GB/T 12236

Butterfly wafer check valve

DN：DN50~300

Class：PN10~25

Stand：JB/T 8937, API 6D, ISO 14313

Swing check valve

DN：DN40~300

Class：PN10~25

Stand：JIS B 2045, MSS-SP-71, BS EN 12234, ASME B16.39

Ball check valve

DN：DN50~200

Class：PN10~25

Stand：GB/T 12224

Slow closing silencing check valve

DN：DN50~800

Class：PN10~25

Stand：

Horizontal threaded check valve

DN：DN15~50, NPS1/2"~2"

Stand：JIS B 2025, BS 5154, MSS-SP-80, ASME B16.15, ASME B16.24

Vertical threaded check valve

DN：DN15~50, NPS1/2"~2"

Stand：MSS-SP-80, ASME B16.15, ASME B16.24, BS 5154, JIS B 2024, JIS B 2025

Flange check valve

DN：DN15~200, 1/2"~8"

Stand：ASME B16.24

Lift check valve

DN：DN15~200

Class：PN10~25

Stand：GB 12235

Lift check valve

DN：DN15~200

Class：PN10~25

Stand：GB 12235

Vertical check valve

DN：DN40~200

Class：PN10~25

Stand：GB 12235