Stands should provide testing:
1. For stop, return and regulating valves according to GOST 33257:
- carrying out tests of the valves for serviceability;
- testing of valves for strength and density of parts and welded seams material, working under pressure of the medium in accordance with GOST 356;
- testing of valves for tightness of the gate in accordance with GOST 9544;
- testing of the valve for tightness in relation to the external environment.
2. For safety valves in accordance with GOST 33257:
- carrying out of check of functioning of the safety valve;
- carrying out tests on tightness of the gate;
- testing of the valve for tightness against the external environment (only in the presence of appropriate equipment);
- strength and density testing of parts and welded seams under medium pressure (only if special equipment is available).
أخبرنا بما تحتاجه واحصل على عروض أسعار من موردين موثوقين