Thông số kỹ thuật
- Design comply to EN1171/ EN 1074
- Face to face lengths are to EN 558-1, DIN 3202 F4/F5, BS 5163
- Flanges are drilled to EN 1092 -2
- Pressure Rate :PN 10/16
- Test: Body test 1.5 x PN, Seal test 1.1 x PN
- Rising stem OS&Y to see open & close position
- Medium: Neutral water, Drinking water, Sewage
- Temperature Range: 00C – 800C
- Operation: Handwheel
- Clockwise closing (CWC) as standard
- Threads rolled in a separate cold pressing process to enhance strength.
- Standard material AISI – 420 ( X20C13), other materials upon request
- Rolled threads ensure smooth thread edges and low operating torques
- Bonnet bolts in 8.8 grade carbon steel, sealed with hot melt
- Outside fastening screws are in Stainless steel 304 as standard material
- Wedge Ductile iron fully encapsulated as standard by EPDM.
- Linear sealing design provides better sealing & lower closing torque.
- The water tightness for the spindle is obtained with 6 o-rings stem seals and 6 Nylon gaskets between each stem o-ring to prevent friction
- Fusion bonded epoxy inside & outside for excellent corrosion resistance.
- Standard color similar to RAL 5005, other color upon request
- 100% water tightness
- 100% testing before packing and delivery