Non-Slam Check Valve

Model

Series

Special Valve

Product Description

Non-Slam Check Valve
Hydraulic Braking Device

Non-Slam Check Valve is installed in front of pump in Plant, District Heating Corporation and Ship. This valve is added hydraulic braking device which helps disc closing 90% fast and 10% slowly to reduce shock and noise transmitted to the pipe by back-flow when the pump stop working.

Specification

Range: Application

Size: 8”(200A) - 72”(1800A)

Fluid: Water, Air, Steam, Gas, Sea Water

Rating: JIS 10K, 20K, ANSI 150#, 300#, PN10, 16, 20, AWWA C504, KS B 2333

End Connection: Flanged

Temp. Range: -40℃ - 400℃

Materials Body: A216-WCB, A536 Gr, A351-CF8, A351-CF8M, A351-CF3, A351-CF3M B148 C95800 etc

Materials Disc: A216-WCB, A536 Gr, A351-CF8, A351-CF8M, A351-CF3, A351-CF3M B148 C95800 etc

Materials Seat: Rubber (EPDM, BUNA-N etc) Stellite Welding, A240-304, A240-316 etc, Rubber Lining

Dimension Table

￠d	L	A1	A2	A3(Ref.)	A4(Ref.)	H(Ref.)
400	216	480	470	600	660	780
450	222	520	490	600	680	820
500	229	550	520	600	710	880
600	267	620	560	820	815	950
700	292	700	645	820	900	1,050
800	319	760	690	820	940	1,200
900	330	820	750	1,200	1,240	1,300
1,000	410	900	920	1,200	1,240	1,500
1,100	450	970	1,000	1,200	1,320	1,600
1,200	470	1,050	1,100	1,200	1,480	1,700
1,350	530	1,170	1,200	1,200	1,580	1,800
1,500	530	1,270	1,300	1,300	1,700	2,000
1,650	530	1,350	1,400	1,300	1,800	2,200
1,800	550	1,450	1,450	1,300	1,850	2,400