| Scope |
UL FM check valves
Grooved resilient swing check valve
Male NPT x Groove connection check valve
Double door grooved check valve
Flanged resilient swing check valve
Flanged metal seated swing check valve
Double door wafer check valve |
| Material |
Body material: Ductile iron
Disc material: Ductile iron
Seat material: EPDM/Metal |
1.Valve body, bonnet, disc, gland & operating nut are all produced with standard material with superior strength-to-weight ratios to guarantee high quality.
2.Long service life with resilient seat cycling test at least 5000 times
3.We have valve moulds with Light type and Heavy type, which could satisfy with customer’s different requirement.
4.UL FM approved Swing check valve with metal sealing is rare in China, we have our own mould with lower production cost
5.Our own foundry to guarantee fast delivery and quality
6.Multiple O-ring sealing structure to protect the stem under pressure during operation and maintenance, it causes no damage to the operator.
7.A full range UL/FM check valves to meet customers’ different requirement.
1.Used both vertically and horizontally
2.Used in one-way flow pipeline to prevent the water from back flow