D71J Wafer rubber lined butterfly valve
D71J Wafer rubber lined butterfly valve Product introduction
D71J Wafer Rubber Lined Butterfly Valve is used in on-off and control flow of medium in vaired pipelines such as foodstuff,beverage,machine,chemical engineering,industrial enviromental proction,water treatment and building ect .Flanged rubber seat butterfly valve: ANSI, DIN, JIS, GB, etc.
D71J Wafer Rubber Lined Butterfly Valve Usage
|
Sealing Ring Material Code |
Applicable Temperature |
Applicable Medium |
|
NR |
≤85°C |
water, air, acid-base |
|
CR |
≤85°C |
water, gas, acid-base |
|
NBR |
≤100°C |
water, oil |
|
EPDM |
≤120°C |
water, steam, acid-base |
|
FKM |
≤150°C |
water, steam, strong acid-base |
D71J Wafer rubber lined butterfly valve Technical parameters
| Description | Standard |
| Design and manufacture | EN593 |
| Face to face | ISO5752 series14, EN558-1 series 14, DIN3202 F4 |
| Flange and drilling | ISO7005-2, EN1092, |
| Pressure test | EN12266 |
| Top flange of bare shaft valve | ISO5211 |
| Top flange on worm gearbox for e-actuator | ISO5210 |
D71J Wafer rubber lined butterfly valve Main connection dimensions
| Name | Material |
| Body | ductile cast iron, WCB, stainless steel |
| Disc | ductile cast iron, WCB, stainless steel, Al-bronze |
| Stem | SS420, SS431 |
| Disc seat ring | EPDM,NBR,VITON |
| Body seat ring | SS304 |
| Retainer | SS304, SS316 |
| Shaft bearing | Al-bronze, self-lubricating bearing |
| Bolt & nuts | 8.8 grade galvanized, SS304 |
| Coating | epoxy coating, thickness: min. 250 microns, color code: RAl5015, 5017, 5010, and etc. |
D71J Wafer rubber lined butterfly valve Main dimension
|
DN(mm) |
PN(MPa) |
Working Temperature(MPa) |
L |
D |
D1 |
n-Φd |
H1 |
H2 |
S |
H3 |
Weight Kg/kilos |
|
40 |
1.6 1.0 |
1.6 1.0 |
33 |
150 |
110 |
4-18 |
55 |
100 |
235 |
27 |
2 |
|
50 |
43 |
165 |
125 |
4-18 |
64 |
120 |
235 |
27 |
2.5 |
||
|
65 |
46 |
185 |
145 |
4-18 |
80 |
120 |
235 |
27 |
4.5 |
||
|
80 |
46 |
200 |
160 |
8-18 |
112 |
130 |
265 |
27 |
5.5 |
||
|
100 |
52 |
220 |
180 |
8-18 |
90 |
145 |
265 |
27 |
6.5 |
||
|
125 |
56 |
250 |
210 |
8-18 |
112 |
160 |
365 |
32 |
11.5 |
||
|
150 |
56 |
285 |
240 |
8-22 |
135 |
175 |
365 |
32 |
13.5 |
