Rubber Lined butterfly valve
Rubber Lined butterfly valve Product introduction
Flanged rubber seat 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 standard: ANSI, DIN, JIS, GB, etc
More Structure: Soft Seat Sealing ( Or metal seat sealing).
More Structure: Soft Seat Sealing ( Or metal seat sealing).
Flanged rubber seat butterfly valve Material :
1 Body : Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200;
Ductile Iron:ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15;
Stainless Steel: ASTM A351 CF8, CF8M;Carbon Steel: ASTM A216 WCB
2 Stem: Zinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM
A582 Type 416;
3 Taper Pin : Stainless Steel: ASTM A276 Type 304, Type 316;
4 Seat : NBR, EPDM, Neoprene, PTFE, Viton;
5 Disc : Ductile Cast Iron (Nickel plated):ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS- 400,Stainless Steel:ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501;
AL-Bronze: ASTM B148 C95400;
6 O-Ring: NBR, EPDM
7 Bushing :Polymer water-proof materials ,Nylon, Bronze;
1 Body : Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200;
Ductile Iron:ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15;
Stainless Steel: ASTM A351 CF8, CF8M;Carbon Steel: ASTM A216 WCB
2 Stem: Zinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM
A582 Type 416;
3 Taper Pin : Stainless Steel: ASTM A276 Type 304, Type 316;
4 Seat : NBR, EPDM, Neoprene, PTFE, Viton;
5 Disc : Ductile Cast Iron (Nickel plated):ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS- 400,Stainless Steel:ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501;
AL-Bronze: ASTM B148 C95400;
6 O-Ring: NBR, EPDM
7 Bushing :Polymer water-proof materials ,Nylon, Bronze;
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 |
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. |
Rubber Lined butterfly valve Main dimension
| Size | L | D1 | D | z-φd | H | H0 | A | B |
| (DN) | ||||||||
| 50 | 43 | 125 | 165 | 4-18 | 63 | 315 | 180 | 65 |
| 65 | 46 | 145 | 185 | 4-18 | 70 | 330 | 180 | 65 |
| 80 | 46 | 160 | 200 | 8-18 | 83 | 390 | 245 | 72 |
| 100 | 52 | 180 | 220 | 8-18 | 105 | 431 | 245 | 72 |
| 125 | 56 | 210 | 250 | 8-18 | 115 | 455 | 245 | 72 |
| 150 | 56 | 240 | 285 | 8-22 | 137 | 626 | 355 | 93 |
| 200 | 60 | 295 | 340 | 8-22 | 164 | 720 | 350 | 93 |
| 250 | 68 | 350 | 395 | 12-22 | 206 | 800 | 550 | 350 |
| 300 | 78 | 400 | 445 | 12-22 | 230 | 860 | 600 | 350 |
| 350 | 78 | 460 | 505 | 16-22 | 248 | 883 | 600 | 350 |
| 400 | 102 | 515 | 565 | 16-26 | 289 | 972 | 600 | 350 |
| 450 | 114 | 565 | 615 | 20-26 | 320 | 1043 | 750 | 380 |
| 500 | 127 | 620 | 670 | 20-26 | 343 | 1098 | 750 | 380 |
| 600 | 154 | 725 | 780 | 20-30 | 413 | 1236 | 750 | 380 |
| 700 | 165 | 840 | 895 | 24-30 | 478 | 1431 | 750 | 380 |
| 800 | 190 | 950 | 1015 | 24-33 | 525 | 1488 | 750 | 380 |
Rubber Lined butterfly valve Product display
