Shand & Jurs 94040 Spring Loaded Conservation Vent - Wiratama Mitra Abadi | Industrial Equipment

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19.12.20

Shand & Jurs 94040 Spring Loaded Conservation Vent

Shand & Jurs 94040 Spring Loaded Conservation Vent



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The Shand & Jurs Model 94040 Spring Loaded Conservation Vent is designed utilizing over 80 years of experience in producing high quality and dependable conservation vents and safety fittings. This vent meets the need of higher pressure settings required on storage tanks (ideally suited when blanketed with nitrogen or other inert gas), process vessels, and piping common to the petroleum, chemical, and petrochemical industries.

Higher pressure settings are accommodated using a unique method of spring loading which ensures highly reliable operation and reduces excessive venting of product at a relatively low cost. Pressure settings range from 1 psig through 15 psig for all sizes except 12” which has a maximum of 12 psig. Screw and flange type connections are offered for the 2” and 3” size and flange only for sizes 4” to 12”. Vacuum protection is provided utilizing a weight-loaded vertical lift pallet assembly that assures optimum airflow into the tank.

The pallet to seat diaphragm is cushion seated Teflon for long service life and optimum reliability. This diaphragm helps to ensure high resistance to any ice and gum formations, prevents the pallet from sticking to the seat. The carefully engineered body, seat, and pallet offers a superior combination of tight sealing and high capacity at lower over-pressure.

An Expanda-Seal is available on the pressure pallet to assure minimal leakage up to 95% of set pressure.

One of the most important features which should be noted in the Model 94040 design is the variety of construction materials available. A wide range of highly corrosive and toxic products common to the petroleum, petrochemical, and chemical industries, require that a conservation vent be able to withstand this environment and still function reliably. For a few instances where our standard materials may not be suitable, optional materials are readily available.

Standard materials offered are aluminum, cast iron, cast steel, and 316 stainless steel. Standard seats are aluminum and 316 stainless steel.

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Features

  • Low copper aluminum alloy minimizes special materials needs
  • Guided pressure pallet assures smooth lift and closure
  • Unique diaphragm construction assures positive seal and minimal blowdown
  • Easy inspection of internal components
  • Withstands variety of materials including highly corrosive and toxic products
  • Pallet lip design contributes to high flow characteristics

Specifications

  • Sizes:
    2”, 3”, 4”, 6”, 8”, 10” & 12”
  • Pressure:
    Minimum 1 psig
  • Vacuum:
    2 oz/in2 (3.46 in. w.c.)
  • Maximum Pressure Setting*:
    2”-10” - 15 psig; 12” - 12 psig
  • Temperature Range: Body and Seal
    Options for Process Temperature Ranges of -50OF to 220OF (Stainless Steel and Aluminum); -20OF to 220OF (Steel)

Service and Body Material

  • Normal:
    Cast Low Copper Aluminum
  • Severe:
    Steel, Cast Iron, 316 Stainless Steel
  • Pressure Seat:
    Aluminum or 316 Stainless Steel
  • Vacuum Integral Seat:
    Same as body; Aluminum, 316 SS, Cast Steel with 316 SS overlay
  • Hood (Open Vent):
    Stainless Steel, Aluminum, 316 Stainless Steel
  • Type of Flange Connection:
    Screwed or flanged for 2” & 3” sizes
    Flanged for 4”, 6”, 8”, 10” & 12” sizes
    Raised Face flange available, except for aluminum body material. Flange connection matches vent size 150 lb. ANSI compatible.

Download Datasheet: Shand & Jurs 94040 Spring Loaded Conservation Vent

Reference: ljtechnologies


 

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