| Scope |
UL FM OS&Y gate valve
UL FM Non rising stem gate valve
Grooved resilient OS&Y gate valve
Flanged resilient OS&Y gate valve
Flanged x grooved resilient OS&Y gate valve
Grooved resilient NRS gate valve
Flanged resilient NRS gate valve |
| Material |
Body: Ductile iron
Disc: Ductile iron
Seat: EPDM |
| Operation method |
Handwheel/Cap/Post flange |
1.Valve body, bonnet, disc, gland & operating nut are all produced with ductile iron 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.The bottom of gate valve adopt straight-through design, no foreign matter store to make sure smooth flow and reliable sealing
5.Our own foundry to guarantee fast delivery and quality
6.Self-sealing design between the bonnet and body make the sealing more tight when pressure is higher within the allowable range.
7.Multiple O-ring sealing structure to protect the stem under pressure during operation and maintenance, it causes no damage to the operator.
8.A full range UL/FM Gate valves to meet customers’ different requirement.
9.All OS&Y gate valves have tamper resistant handwheel nuts as well as pre-grooved stems enabling seamless tamper switch installation.
10.All NRS gate valves are available with operated nut installed with vertical indicator post and wall type indicator.
1.Indoor & outdoor fire inflow water, water supply and drainage, potable water, high-rising building fire fighting system, industrial factory building fire protection system.