Cast iron fittings with rubber seals are designed to connect cast iron and steel pipes in cold water supply systems at temperatures from 5 to 90°C and pressures up to 1.0 MPa (10 kgf/cm²).
By resistance to influence of ambient air temperature and humidity, the assemblies correspond to NF, climatic category - 3, according to GOST 15150.
When released from production, all products are subject to 100% final inspection and assigned an individual serial number.

Designation |
DN | D | D1 | Dn | Lmax | l | ||
min | max | min | max | |||||
PFRK-100 | 100 | 215 | 180 | 108 | 118 | 325 | 20 | 75 |
PFRK-150 | 150 | 280 | 240 | 166 | 170 | 365 | 55 | |
PFRK-200 | 200 | 335 | 295 | 218 | 222 | 365 | 50 | |
PFRK-250 | 250 | 390 | 350 | 270 | 274 | 365 | 60 | |
PFRK-300 | 300 | 440 | 400 | 322 | 326 | 365 | 70 |