Manual Rubber Lined Diaphragm Valve
The manual diaphragm valve is a specially shaped valve with a shut-off function. It's opening and closing parts are composed of a steel flap and a diaphragm made of soft materials (rubber and fluoroplastics) and separate the inner cavity of the valve from the inner cavity of the bonnet. In order to achieve the purpose of cutting off the medium in the pipe. The rubber-lined diaphragm valve is specially used to control non-corrosive or general corrosive media. The internal cavity surface of the valve is unlined or covered with various rubbers to choose from, suitable for different working temperatures and fluid pipelines.
1. Techinical Parameter of handwheel rubber line diaphragm valve
Nominal Pressure: PN0.6~1.0(Mpa)
Nominal Diameter: DN15-400(MM)
Main material options: grey cast iron, cast steel, stainless steel, dead mild steel
Design & Manufacture : BS5156
Face to face : BS5156
Flange collection size : BS4504, DIN2532
For Body : 1.5 times nominal pressure
For Seal : 1.1 times nominal pressure
2.Material list for manual rubber diaphragm valve
| Item code | Item | Grey cast iron | Cast steel | Stainless steel | dead mild steel | ||
| 1 | body,bonnet,disc | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | stem | 35 | 1Cr13 | 1Cr18Ni19Ti | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 3 | lining | FEP（F46） PFA PCTFE（F3） | |||||
| 4 | diaphragm | FEP（F46）/CR/PFA/FPDM | |||||
| 5 | stem nut | ZCuAL10Fe3 ZCuAL10Fe3 | |||||
| 6 | bolt | 35 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni9Ti | 1Cr17Ni9Ti |
| 7 | nut | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 |
| 8 | handwheel | HT200 | HT200 | WCC | WCC | WCC | WCC |
3.Size table of manual rubber-lined diaphragm valve
| DN(mm) | Size（㎜） | ||||||
| L | D | D1 | D0 | Z-φd | H | H1 | |
| 15 | 125 | 95 | 65 | 120 | 4-φ14 | - | - |
| 20 | 135 | 105 | 75 | 120 | 4-φ14 | - | - |
| 25 | 145 | 115 | 85 | 120 | 4-φ14 | 121 | 135 |
| 32 | 160 | 1135 | 100 | 120 | 4-φ18 | 132 | 150 |
| 40 | 180 | 145 | 110 | 140 | 4-φ18 | 156 | 176 |
| 50 | 210 | 160 | 125 | 140 | 4-φ18 | 169 | 195 |
| 65 | 250 | 180 | 145 | 200 | 4-φ18 | 202 | 236 |
| 80 | 300 | 195 | 160 | 200 | 4-φ18 | 216 | 256 |
| 100 | 350 | 215 | 180 | 280 | 8-φ18 | 270 | 322 |
| 125 | 400 | 245 | 210 | 320 | 8-φ18 | 338 | 406 |
| 150 | 460 | 280 | 240 | 320 | 8-φ23 | 384 | 464 |
Packaging & Shipping
Warm welcome to inquiry:
Contact Info: Lizy Liu
E-mail: sales2@kemus-valve.com
Mob/Webchat: 86-15960358834
Tel: 86-0592-7103069
Fax: 86-0592-5964598
Skype: sui_lizy
