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SZ45X/RVHX non-rising stem resilient seated gate valve
Inputtime:2015-01-13 13:57:20   Hits:


Product introduction:
The valves disc is rubber-packed to get excellent sealing effect by the rubber's resilient deformation. Non-rising resilient seated gate valves solve the problem in general gate valves such as leakage, rusting etc. and saves installation space. It is used widely in tap water industry, sewage treatment, shipping construction, petroleum, chemicals, food, pharmacy, textile, electric power, metallurgy and energy system's pipeline to adjust and shut off fluids.
Characteristics:
1. The seal is designed with dustproof ring plus three “O”-seal ring, reliable sealing, on-line replaceable.
2. Both gate and aluminum bronze bearing are in in aid design good self lubrication, high strength and can have the aluminum bronze bearing replaced without need to replace the gate integrally, after a long time use.

3. Rubber wrapped gate anti-corrosion, good tightness.
4. Advanced surface treatment, coated with non-toxic epoxy resign static powder, anti-corrosion, pollution-free, can be used drinking water pipeline.
5. The body is designed without gate slot, the smooth passage will not get impurities filling up , more applicable for sewage working condition.
6. The integral seal works raliably. For the high pressure seal, leaving zero leakage under1.5 times nominal pressure and ,for the low pressure one ,under 0.02Mpa.

Materials of major parts:

No. part material
 1 Body Ductile cast iron
2 Disc Ductile cast iron packed with NBR
3 Bolt CS  SS
4 Gasket EPDM  NBR
5 Cover ductile cast iron
6 Stem stainless steel
7 O-ring EPDM  Silicone
8 Thrust bearing Brass
9 Bolt CS  SS
10 Gland ductile cast iron
11 Dust proof gasket EPDM/NBR
12 Hand wheel Ductile cast iron

Performance specification:

Normal pressure (Mpa) Body test pressure
(Mpa)
Sealing test pressure
(Mpa)
Applicable medium Applicable temperature
(°C)
1.0 1.5 1.1 water  
0~80
1.6 2.4 1.76
2.5 3.75 2.75

 

DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600
L 178 190 203 229 254 267 292 330 356 381 406 432 457 508
H (min)(full close) 313 332 372 424 497 562 680 837 948 1010 1220 1280 1480 1665
H (max)(full open) 355 375 415 476 540 600 720 875 990 1050 1245 1310 1560 1750

 

 


 
Boutou shengfeng Auto-control Valve Co.,ltd
 
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 add:Botou Industry Park,Cangzhou
 City,Hebei Province ,China