Russian standards
Pipeline fittings. Tables of figures and conventional symbols. Reference book
Document status: Replaced by ST CKBA 036-2014
Pipeline fittings. Rubber-fluoropolymer orifice plates for pipeline fittings of common application. Design, dimensions and specifications
Document status: Active
Pipeline fittings. Average trim life vs. specific loads on the sealing surfaces
Document status: Active
Pipeline fittings. Rolled steel forgings, pressworks and fabricated parts. Technical requirements
Document status: Active
Pipeline fittings. Periodical tests of bellows. General requirements
Document status: Active