Globe Control Valve

Double Diaphragm Fluorine Lined Self Operated Nitrogen Seal Regulating Valve

Double diaphragm fluorine lined self-operated nitrogen seal regulator is a valve that can be used in high temperature, high pressure, corrosion and other harsh conditions. It is upgraded and improved on the basis of the ordinary self-reliant nitrogen seal regulating valve, using double diaphragm structure and fluorine plastic lining material, to achieve higher sealing, better corrosion resistance and longer service life.

Design Standard:ANSI B16.34, API 6D, ISO 5208, DIN 3356, JIS B2071, BS 1873, GB/T 12237, GB/T 12238, EN 593, etc

Wall Thickness Standard: ANSI B16.34, BS 1873, DIN 3356, JIS B2071, EN 593, GB/T 12224, JB/T 3595, etc

Thread Standard: GB/T 12716-1991 NPT, GB/T 7306-2000 PT, GB/T 7307-2001 G, DIN 2999, JIS B0203, NF E03-005, etc




  • Product Detail

Pressure Range: PN16, PN40, PN64

Size Range: DN15 (1/2”)~DN600 (24”)

Pressure Balance: stainless steel bellows

Flanged Ends: ANSI B16.5, API 605, BS 4504, DIN 2501, JIS B2220,  EN 1092-1, GB/T 9112, GB/T 17241.6, etc

Temperature Range: -40℃~250℃

Valve Material

  • Body Material cast steel (HT200), cast steel (ZG230-450), cast stainless steel (ZGICr18Ni9Ti, ZGICr18Ni12M02Ti), etc
  • Trim Material 304, 316, 316L, 2205, 2507, 2Cr13, 4Cr13, F11, F22, etc
  • Plug Material stainless steel 1Crl8Ni9Ti, 1Crl8Ni12M02Ti (metal seat), stainless steel inlaid rubber ring 304/316'PTFE (soft seat)
  • Seat Material 304, 316, 316L, 410, 20, 17-4PH, Monel, Hastelloy, etc
  • Stem Material stainless steel (1Cr18Ni9Ti, 1Crl8Nil2M02Ti), etc

Design Feature

  • Spool Type single seat (P), double seat (N), sleeve (M)
  • Flow Characteristics quick open

Inspection And Test

  • Leakage Rating IEC60534: IV, VI (ANSI70.2)
  • Inspection And Testing Standard ANSI/FCI 70-2, API 598, BS EN 12266, DIN EN 12266, JIS B2003, EN 12266-1, GB/T 13927, JB/T 9092, etc

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