Pressure Control Valves

Body forms: Direct single-seat (sleeve) S type cast molding valveNominal diameter: DN20~ 300 mm

Nominal pressure: PN1.6、4.0、6.4 MPa

Connection: Flange, according to the concave of JB/T79.2 JB78 to 59-94 type

Materials: HT200、ZG230-450、ZG1Cr18Ni9Ti、ZG0Cr18Ni12M02T

Bonnet: Room temperature type - 20 ~ + 200 ℃Cooling type - 40 ~ + 450 ℃

Packing material: v-type ptfe, flexible graphite, stainless steel bellowstrims

Structure of valve trims

Room temperature type: - 20 ~ + 200 ℃ (figure 1)

Cooling type: - 40 ~ + 450 ℃ (figure 2)

Low temperature type: - 200 ~ - 20 ℃ (figure 3)

Bellows type: - 10 ~ + 450 ℃ (figure 4)

Gland forms: thread clamp type, bolt pressure type

Packing material: v-type ptfe, flexible graphite, stainless steel bellows

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The valve core form：Guidance on single-seat Plunger valve core，or Guidance on single-seat sleeve plunger valve core

Flow characteristic：Equal-percentage flow characteristic，linear flow characteristic and quick- opening flow characterist undefined