How it works
Multi-turn handwheel
Rising-stem wedge gate
The number that matters
Nominal pressure
25bar
The pressure class of the valve body at 20 °C. Working limits depend on the medium and its temperature.
Construction
Parts and materials
The wedge gate valve is designed to be installed on the pipeline as a shut-off device in water supply systems and chemical industry.
The wedge connected to the spindle is lowered or raised depending on the direction of rotation of the hand wheel, closing or opening the passage section of the gate valve body.
The wedge is designed to be installed on the pipeline as a shut-off device in water supply systems and chemical industry.
Overall and installation dimensions of wedge gate valves DNOVA GAIR GVWR3131M-2W-F-S, with handwheel and sliding stem
|
DN |
L |
D |
D1 |
D2 |
b |
f |
z–d |
Weight |
|
100 |
300 |
230 |
190 |
160 |
24 |
3 |
8-23 |
29 |
|
150 |
350 |
300 |
250 |
218 |
30 |
3 |
8-25 |
61 |
Sketch of dimensions of wedge gate valves DNOVA GAIR GVWR3131M-2W-F-S, with handwheel and sliding stem
Materials of wedge gate valves DNOVA GAIR GVWR3131M-2W-F-S, with handwheel and sliding stem
|
№ |
Part name |
Material |
|
1 |
Case |
stainless steel 304 |
|
2 |
Seat seal |
stainless steel 304 |
|
3 |
Wedge |
stainless steel 304 |
|
4 |
Spindle |
stainless steel 304 |
|
5 |
Gasket |
stainless steel 304 + |
|
6 |
Cover |
stainless steel 304 |
|
7 |
Hairpin |
stainless steel 304 |
|
8 |
Nut |
stainless steel 304 |
|
9 |
Spindle seal |
expanded graphite (TRG) |
|
10 |
Gland |
stainless steel 304 |
|
11 |
bushing |
stainless steel 304 |
|
12 |
Washer |
alloy ZCuAl10Fe3 |
|
13 |
Helm |
cast iron KTH300 |
Material sketch of wedge gate valves DNOVA GAIR GVWR3131M-2W-F-S, with hand wheel and sliding stem
- Body material
- Stainless steel AISI 304
- Stopper Material
- stainless steel AISI 304
- Maximum allowable temperature
- 425 °C
- Connection type
- Flanged
- Control type
- Handwheel
- Gate valve type
- Wedge Gate Valve
- Nominal pressure
- 25 bar
- Type of seal
- Metal
- Country of origin
- China
Production. Usually 7–14 business days after you approve the quotation and pay. Made-to-specification items are confirmed in the quotation.
Freight. Not charged at checkout. A manager quotes air and sea freight to your port or airport, and nothing ships until you approve the price and the freight.
To North America. From approval and payment to the destination port or airport: air 14–24 days, sea 32–60 days. Estimates, not guarantees.
Terms. EXW Ningbo or FOB Ningbo Port; CIF on request. The agreed term is written on the Proforma Invoice.
Total items
Product subtotal