Slow Closing Low Resistant Check Valve Supplier

Inquire Now Wafer Swing Double Disc Check Valves

product description

Low resistant slow closing check valve is utilized for drainage system. The check valve is installed at the exit of pump to avoid refluence of medium and eliminate destructive water hammer. It can also decrease the pressure of water hammer effectively to ensure safety when check valve closed.

Characteristics

1. Utilizing hydraulic slow closing installation

2. Light weight, large aperture, energy conservation

3. Reliable seal, wearing resistance, long service life, no vibration, no noise, etc.

Standards

Design: GB/T 12233

Face to Face : GB/T 12221

Flange: JB/T 79,HG20592,GB9113,ANSI

Test & Inspection: JB/T 9092,GB/T13927

Pressure & Temperature: GB/T 9131

Marking: GB/T 12220

Model No.

Materials	Model No.
HT200	HH44H/X-10,HH44H/X-16
WCB	HH44H/X-16C,HH44H/X-25

Components Materials

Components	Body & Bonnet	Disc	Stem
Materials	Gray cast iron	rubber	Stainless steel

Main Dimensions

Nominal Diameter	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700	800
L	200	230	290	310	350	400	480	500	600	700	800	900	1000	1100	1300	1400	1500
H	300	300	320	354	350	380	500	580	670	730	820	920	950	1100	1200	1550	1700
B	220	270	290	300	320	340	410	450	550	580	630	700	800	900	990	1120	1300

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Tel: +86 21 5285 1387/ 5859 9335
E-mail: sales1@changhaopipe.com
Fax: +86 21 3353 9683
Skype:live:f3d3d41a5e172ef7
Whatsapp:
Add: No.2 Shanghai Brilliant City, No.8666 Hunan Rd, Pudong new district, Shanghai-201314, China

Navigation

Tel: +86 21 5859 9335
Fax:+86 21 3353 9683
Skype: live:f3d3d41a5e172ef7
email: sales1@changhaopipe.com
Add.: No.2 Shanghai Brilliant City, No.8666 Hunan Rd, Pudong new district, Shanghai-201314, China

No.2 Shanghai Brilliant City, No.8666 Hunan Rd, Pudong new district, Shanghai-201314, China

Technical Support: