Diaphragm Seals Non-Replaceable

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Type 12 Sanitary, Clamped-Style, ASME-BPE, Non-Replaceable Diaphragm Seals

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Food & Beverage
Water/
Wastewater
  • Features a flush mount diaphragm and all welded construction, ideal for food & beverage, pharmaceutical and sanitary markets
  • Can be used for remote mounting of pressure instrument(s) with capillary, see options & accessories below
  • Wetted parts and all welded housing are constructed of 316 Stainless Steel for greater strength and durability
  • Accommodates process connection pipes from 1-1/2" through 3" sizes
  • Clamped connection allows ease of installation and removal of seal for maintenance and cleaning
  • Wetted materials electropolished to 32 μ Ra or better
  • Consider instrument size, pressure range, media composition, ambient and operating temperature, and maximum working pressure when selecting
  • Capillaries and cooling elements are available for elevated process temperatures, see options & accessories below
  • Fill fluid must be compatible with process media; i.e. Glycerin may become volatile in conjunction with a strong oxidizing agent such as chlorine, forms of oxygen or peroxide and nitric acids

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TYPE 12              
INSTRUMENT CONNECTION SIZES 02 1/4" NPT 04 1/2" NPT        
UPPER HOUSING MATERIAL S 316 Stainless steel            
DIAPHRAGM MATERIAL S 316 Stainless steel            
SANITARY PIPE SIZES 12 1-1/2" 16 2" 20 2-1/2" 24 3"
OPTIONAL SANITARY SEAL CLAMPS & GASKETS
ASME-BPE SANITARY CLAMPS CR12 1-1/2" CR16 2" CR20 2-1/2" CR24 3"
NBR GASKETS BG12 1-1/2" BG16 2" BG20 2-1/2" BG24 3"
PTFE GASKETS TG12 1-1/2" TG16 2" TG20 2-1/2" TG24 3"

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PRODUCT SPECIFICATIONS
Seal type Sanitary clamp, welded diaphragm
Instruments Type Size Minimum Pressure Maximum Pressure
Gauges 2-1/2" to 4" 0 psig to 30 psig Determined by the clamping device
and piping system.
Transducers 0 psig to 30 psig
Switches 0 psig to 30 psig
Upper housing Type Continuous duty
Connections 1/4" NPT, 1/2" NPT
Materials 316 Stainless steel
Diaphragm   1-1/2" Pipe 2" Pipe 2-1/2" Pipe 3" Pipe
Size 1.4" 1.9" 2.4" 2.9"
Displacement 190 mm3 490 mm3 850 mm3 1,670 mm3
Materials 316 Stainless Steel      
Operating temperature   Operating temperature is determined by the temperature/pressure configuration.
See Material Temperature table.

Options & Accessories

  • 1/4" NPT X 1/4" NPT Cooling Element (1/4" NPT X 1/4" NPT-CE)
  • 1/2" NPT X 1/2" NPT Cooling Element (1/2" NPT X 1/2" NPT-CE)
  • Works in combination with diaphragm seal to isolate instrument from high media temperatures
  • Recommended for process temperatures above 212 °F
  • Requires direct mounted system
  • Effective temperature reductions of 200 °F depending upon ambient conditions
  • High >212 °F process temperature, low < -40 °F process temperature
  • All Stainless Steel construction

WARNING: This product can expose you to chemicals including Chromium (VI) and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

  • Glycerin (GY) *
  • Silicone (SL)
  • Halocarbon® (HL)
  • Neobee M20 (NB)
  • Mineral Oil (MO)
  • Propylene Glycol (PG)

* Not recommended for use in vacuum applications.

NOSHOK's Distribution Manifolds connect multiple instruments to one diaphragm seal, eliminating multiple connections that lead to possible leak paths.

View NOSHOK Distribution Manifolds

  • 5 ft. SS Armored Flexible Capillary, 1/4" NPT (AC-02-02-5) per ft. adder (AC-02-02-#)
  • 5 ft. SS Armored Flexible Capillary, 1/2" NPT (AC-04-04-5) per ft. adder (AC-04-04-#)
  • Stainless Steel capillaries available with or without Stainless Steel armor
  • Protects the instrument from high or low process temperatures
  • Allows remote mounting of pressure instrument(s)
  • Select the shortest capillary length possible, as changes in ambient temperature conditions may significantly affect the accuracy and response time of the instrument
  • Standard length 5', others available
  • Installation on analog gauges requires a gauge support and gauge adaptor, or other surface mounting provisions
  • Any level difference between the instrument and the seal will result in a pressure indication error; make sure to compensate for the level difference during calibration of the diaphragm seal assembly if the level difference is known
  • Filling options for capillaries
    • Silicone - specify to 10 or 20 feet (SL-C)
    • Halocarbon® - specify to 10 or 20 feet (HL-C)

WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov


WARNING: This product can expose you to chemicals including Chromium (VI) and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

  • Clamp-style fittings are constructed of T304 Stainless Steel; T316 Stainless Steel on request
  • Double hinge design for easy installation and removal
  • Available in sizes from ¾" to 4"
  • Standard pressure rating of 500 psi at 70 °F (21 °C); up to 3,000 psi rating on request
  • Clamp gaskets are available in NBR, EPDM, PTFE and FKM
  • All clamps and gaskets meet FDA and 3A sanitary standards

ASME-BPE SANITARY CLAMP    
1-1/2"  (CR 12)
2"        (CR 16)
2-1/2"  (CR 20)
3"        (CR 24)

NBR GASKET    
1-1/2"  (BG 12)
2"        (BG 16)
2-1/2"  (BG 20)
3"        (BG 24)

PTFE GASKET    
1-1/2"  (TG 12)
2"        (TG 16)
2-1/2"  (TG 20)
3"        (TG 24)


WARNING: This product can expose you to chemicals including Chromium (VI) and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov


WARNING: This product can expose you to chemicals including Chromium (VI) and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov