Non return valves SOCLA, MANUFACTURER … DESIGN, INNOVATE Specialist in the control of fluids in movement, our R&D team integrates in its studies all networks parameters... Assisted by a powerful date processing, served by the most recent softwares, its objective is the design of innovating products, research of competitiveness and reliability, in respect of environment. TEST, MEASURE Beyond theorical date-processing and technical calculations, Socla integrates in Virey-le-Grand one of the most important hydraulic laboratory. This tool, amont the most powerful ones in Europe, consolidates Socla...

SUMMARY PAGES HOW TO PRE-SELECT A VALVE 2 and 3 01 SYSTEM 4 and 5 02 SYSTEM 6 and 7 03 + 03HP SYSTEMS 8 and 9 05 SYSTEM DOUBLE PLATE 10 and 11 05 SYSTEM SINGLE PLATE + 06 SYSTEM 12 and 13 B SYSTEM 14 and 15 M SYSTEM 16 and 17 TJ + FOOT VALVE + STRAINERS SYSTEMS 18 and 19 TJO + 04 + FL SYSTEMS 20 and 21 W SYSTEM 22 and 23 SOCLA SERVICES 24 Most of our models are approved by Veritas (France); specific approvals in different countries are given alongside information on each type of valve. Certificates of approval for the materials used in manufacture can be supplied on request. An additional charge...

HOW TO SELECT SEWAGE PUMPING STORAGE TREATMENT STORAGE HEATING PUMPING PROTECTION DISTRIBUTION SUPPLY TO BUILDINGS WATER SUPPLY DISTRIBUTION DIST TREATMENT INDUSTRY PRESSURE PUMPS 2 CLOSING SYSTEM 01 The check valve might appear to be a simple device. Broadly speaking, it functions like a door. In truth, the valve has to adapt to many different kinds of fluid, to an enormous variety of installations each with their own particular constraints - mechanical, hydraulic, physical or chemical. To help you in your selection we have listed the broad parameters within which to make your choice. To meet...

A CHECK VALVE WATER SUPPLY SUPPLY TO BUILDINGS DISTRIBUTION PRESSURE PUMPS HEATING PROTECTION AGRICULTURE INDUSTRY APPLICATIONS DISTRIBUTION WATER SUPPLY TREATMENT TION INDUSTRY INDUSTRY OTECTION SUPPLY TO BUILDINGS STORAGE AGRICULTURE AGRICULTURE AGRICULTURE WATER SUPPLY DISTRIBUTION DISTRIBUTION SEWAGE DISTRIBUTION SEWAGE PROTECTION PUMPING DISTRIBUTION SUPPLY TO BUILDINGS HEATING PRESSURE PUMPS PUMPING INDUSTRY INDUSTRY PUMPING INDUSTRY HEATING 3 03 (+ 03HP) ● 05 05 05 06 ● ● ● ● M TJ (+MI) ● ● ● B double plate single plate with flanges with flanges ● TJO W (+04 +FL) ● ● ● ● ● ● ● ● ● ● ●...

NON-RETURN VALVES 01 SYSTEM with double (axial and lateral) guide PROTECTION BUILDINGS DISTRIBUTION INDUSTRY HEATING • Excellent sealing for high or low pressure • Antipollution approved in the majority of European countries • Many special versions available Many different casing shapes available for many different applications Anti-incrustation materials Double (axial and lateral) guide ensures a perfect centring of the closing system on the seat Many types of connections Return spring allowing the valve to function at all angles Special hydraulic profile for minimum energy loss 4 Lipped joint...

01 SYSTEM Guaranteed sealing under all conditions 231/601/601V/601P 3/8’’ to 2’’ valves with brass casings, female/female 231* 601** PN 10 - Guide and closing system in POM (polyacetal) or PPO (polyphenylene oxide), nitrile rubber (NBR) seal, stainless steel spring, NBR seal for sanitation, heating circuits (anti-thermo syphon), general installations, 601P protection of pumps for burners (601 V 3/8” and 1/2” with FKM fluorised rubber seal) and some gas. Temperature 80°C ACS * ** 601V ** with the lipped seal At low pressure water tightness is achieved by the contact between the closing system...

NON-RETURN VALVES AND FOOT VALVES 02 SYSTEM simple guiding STORAGE PUMPING DISTRIBUTION SUPPLY TREATMENT PROTECTION BOOSTING • Valve with very wide range of applications • Prevents water hammering • Noiseless operation • A quality, value for money choice Bronze guide-ring Removable guide Hydraulic shape means very little energy loss Excellent sealing ensured by flat NBR (nitrile) seal Sliding bronze closing system ensuring bronze on bronze contact Stainless steel spring allowing system to function in any position 6 Bosses drilled on request for by-pass or controlled evacuation N AT I O C • al...

02 SYSTEM simple guiding Dynamic characteristics of valve closure 402/202 Diameter 40 to 500 mm PN 16 drilled PN 10 The most universal of Socla’s valves for the protection of pumps, 402 general pipeline networks, pressure pumps, water distribution. Temperature 100°C Flanged or threaded Available in many types : • 402V : with FKM flat seal (100° C) • 402TTP : all anti-incrustation PTFE coating, internal/external 202TTP • 402S 202 Type 402 non return valve Traditional flap valve Overpressure measured downstream of 150mm check valves when the pump stops. The valves can carry a load of 50m/wc. Output...

NON-RETURN VALVES AT I N PROTECTION • C O DISTRIBUTION G • 03 SYSTEM with axial guide system allows the entire closing system to be replaced without special tooling Return spring allows the device to function in any position Inspection cover for checks and replacement of internal parts without dismantling the device Seat and guide in bronze for anti-corrosion Axial guide at the head of the closing system ensures perfect centring guaranteeing water-tightness under 3 cm of water column whatever the angle of the valve 8 Water tightness guaranteed by flat seal te al 1/2" diameter bosses with test...

NON-RETURN VALVES 03HP SYSTEM with axial guide DISTRIBUTION PROTECTION • High mechanical and hydraulic performances • Adapted materials • Various industrial applications Guiding support with oblique holes for a maximum flow passage Accurate axial guiding Special high pressure sealing with metallic stop 233 Hydraulic profile of the closing system FOR HIGH PRESSURE FLUIDS Diameter 1/4 up to 2” High pressure check valve in carbon steel and seal in NBR (nitrile) Opening pressure 0,5 bar For high pressure fluids, water, hydrocarbons, gas, general industrial applications... Female/female connection...