Browse Standards
Found: 225893 — page 4474 of 4707
Superseded
GB/T 12221-1989 — Metal valves for use in flanged pipe systems--Face-to-face and centre-to-face dimensions
National·Recommended
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$365.00PDF
Superseded
GB/T 12222-1989 — Multi-turn valve actuator attachment
National·Recommended
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$270.00PDF
Superseded
GB/T 12223-1989 — Part-turn valve actuator attachment
National·Recommended
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$330.00PDF
Superseded
GB/T 12224-1989 — General requirements for industrial steel valves
National·Recommended
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$475.00PDF
Superseded
GB/T 12225-1989 — General purpose industrial valves. Specification of copper alloy castings
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$115.00PDF
Superseded
GB/T 12226-1989 — General purpose industrial valves. Specification of flake graphite iron castings
National·Recommended
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$180.00PDF
Superseded
GB/T 12227-1989 — General purpose industrial valves. Specification of spheroidal graphite iron castings
National·Recommended
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$255.00PDF
Superseded
GB/T 12228-1989 — General purpose industrial valves. Specification of carbon steel forgings
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$240.00PDF
Superseded
GB/T 12229-1989 — General purpose industrial valves--Specification of carbon steel castings
National·Recommended
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$255.00PDF
Superseded
GB/T 12230-1989 — General purpose industrial valves. Specification of steel castings
National·Recommended
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$240.00PDF
Superseded
GB/T 12232-1989 — General purpose industrial valves--Flanged iron gate valves
National·Recommended
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$255.00PDF
Superseded
GB/T 12233-1989 — General purpose industrial valves--Casting iron globe valves and lift check valves
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$195.00PDF
Superseded
GB/T 12234-1989 — General purpose industrial valves. Flanged and buttweld steel gate valves
National·Recommended
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$315.00PDF
Superseded
GB/T 12235-1989 — General purpose industrial valves--Flanged steel globe valves and lift check valves
National·Recommended
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$390.00PDF
Superseded
GB/T 12236-1989 — General purpose industrial valves--Steel swing check valves
National·Recommended
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$390.00PDF
Superseded
GB/T 12237-1989 — General purpose industrial valves--Flanged and butt-weld end steel ball valves
National·Recommended
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$300.00PDF
Superseded
GB/T 12238-1989 — General purpose industrial valves--Flanged and wafer butterfly valves
National·Recommended
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$85.00PDF
Superseded
GB/T 12239-1989 — General purpose industrial valves--Diaphragm valves
National·Recommended
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$85.00PDF
Superseded
GB/T 12240-1989 — General purpose industrial valves--Iron plug valves
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$135.00PDF
Superseded
GB/T 12241-1989 — Safety Valves-General Requirements
National·Recommended
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$225.00PDF
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GB/T 12242-1989 — Performance Test Code - Safety Devices
National·Recommended
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$770.00PDF
Superseded
GB/T 12243-1989 — Spring loaded safety valves
National·Recommended
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$345.00PDF
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GB/T 12244-1989 — General specification for pressure reducing valves
National·Recommended
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$120.00PDF
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GB/T 12245-1989 — Methods of performance test for pressure reducing valves
National·Recommended
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$255.00PDF
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GB/T 12246-1989 — Pilot-operated reducing valves
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$195.00PDF
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GB/T 12247-1989 — Automatic steam traps. Classification
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$145.00PDF
Withdrawn
GB/T 12248-1989 — Automatic steam traps-Definition of technical terms
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$79.00PDF
Withdrawn
GB/T 12249-1989 — Automatic steam traps-Definition of technical terms
National·Recommended
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$79.00PDF
Superseded
GB/T 12250-1989 — Automatic steam traps. Face-to-face dimensions
National·Recommended
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$90.00PDF
Superseded
GB/T 12251-1989 — Automatic steam traps. Test methods
National·Recommended
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$75.00PDF
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GB/T 1239.1-1989 — Cold coiled helical tension springs--Technical specifications
National·Recommended
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$135.00PDF
Superseded
GB/T 1239.2-1989 — Cold coiled helical compressions springs - Technical specifications
National·Recommended
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$85.00PDF
Superseded
GB/T 1239.3-1989 — Cold coiled helical torsion springs--Technical specifications
National·Recommended
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$135.00PDF
Withdrawn
GB/T 1239.4-1989 — Hot coiled helical springs--Technical specifications
National·Recommended
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$79.00PDF
Superseded
GB/T 1242-1989 — Panel-mounted electrical indicating and measuring instruments--Boundary and mounting dimensions
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$105.00PDF
Withdrawn
GB/T 1250-1989 — Rules for expression and judgement of limiting values
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$79.00PDF
Withdrawn
GB/T 1252-1989 — Graphical symbols--Arrows and their use
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$79.00PDF
Superseded
GB/T 1279-1989 — Chemical reagent--Ammonium iron (3) sulfate dodecahydrate
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$125.00PDF
Withdrawn
GB/T 1293-1989 — Chemical reagent--1, 10-Phenanthroline
National·Recommended
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$79.00PDF
Superseded
GB/T 1311-1989 — Test procedure for direct current machines
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$830.00PDF
Superseded
GB/T 1346-1989 — Standard test method--Water requirement for normal consistency, setting time and soundness of the portland cement
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$249.00PDF
Superseded
GB/T 139-1989 — Standard method for using the ferrous sulfate (Fricke)dosimeter to measure absorbed dose in water
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$225.00PDF
Superseded
GB/T 1410-1989 — Methods of test for volume resistivity and surface resistivity of solid insulating materials
National·Recommended
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$105.00PDF
Superseded
GB/T 1419-1989 — Sponge platinum
National·Recommended
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$235.00PDF
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GB/T 1420-1989 — Sponge palladium
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$205.00PDF
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GB/T 1421-1989 — Rhodium powder
National·Recommended
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$235.00PDF
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GB/T 1422-1989 — Iridum powder
National·Recommended
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$205.00PDF
Superseded
GB/T 147-1989 — Sizes of unprocessed paper for printing, writing and drawing
National·Recommended
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$85.00PDF