- TU U 28.1-21225223-010:2017
- Designation: STKl (Khо) Kh1. Kh2. Kh3 – Du/Рu – Kh4 -NZh
- Du diameter: 10, 15, 20, 25, 32, 40, 50, 65, 80, 100
- Рu pressure: 1.6 MPa; 4.0 MPa; 6.3 MPa; 8.0 MPa; 16.0 MPa; 32.0 MPa; 35.0 MPa; 40.0 MPa; 50.0 MPa; 63.0 MPa, 70.0 MPa; 80.0 MPa; 100.0 MPa
- By design (Khо): U – angular, М – through for manometer, UМ – angular for manometer
- Connection type (Kh1): flanged (1), for welding (2), threaded (3)
- Drive type (Kh 2): manual (1), pneumatic (2), electric (3)
- Purpose (Kh 3): shut-off (1), control (2), multipurpose (3)
- Climate version (Kh4): M, CL, MCL
- NZh – with stainless steel case
- Working medium: gaseous
- Case details material: st.20; 09g2s; 40Kh; 30Kh13; 12Kh1MF etc.
- Working medium temperature: -60 to +180
- Ambient conditions: temperature: -30 to +50
- Safety requirement under GOST 12.1-004, GOST 12.2-003, GOST 12.2.063, GOST 12.3.002
- Fitting mounting position at the pipeline: any
- Fitting purpose: shut-off valves – for regular or one-time shut-off of the working medium flux; control valves – for control of the working medium parameters by changing its flow-rate; multipurpose valves – to be used as a shut-off and control device; manometer valve – designed for connection of the manometer to the pipeline cavity for pressure measurement and disconnection of the manometer from the pipeline and release of pressure from the manometer after measurement.
- Operating conditions under GOST 15150
- Full average service life – not less than 10 years
- Average trouble-free life – not less than 12 000 hours
- The valves belong to the class of repairable and restorable articles
Description