NOSHOK Type 5 Non-Metallic Diaphragm Seal
NOSHOK Type 5 Non-Metallic Diaphragm Seal
SKU:NOS-e520c1
Enhanced NOSHOK Type 5 Non-Metallic Diaphragm Seal for precise pressure instrument protection in corrosive media. Superior chemical compatibility and robust construction for reliability and durability.
Regular price
$260.68
Regular price
Sale price
$260.68
Unit price
per
Delivery via Maden
Expect your order to arrive on time.
Secure Payments
All orders are processed through a secure, PCI-compliant checkout.





The NOSHOK Type 5 1/4" NPT Instrument Connection Diaphragm Seal is expertly designed for wastewater, chemical feed, and corrosive media applications. Featuring a robust construction with PP upper housing and PVC lower housing, this seal ensures maximum chemical compatibility. The non-metallic wetted parts, EPDM-PTFE coated diaphragm, and PVC seal provide exceptional protection for pressure instruments used in harsh fluid lines. Ideal for ultra-pure and corrosive fluids, this precision-engineered diaphragm seal guarantees reliability and durability in demanding environments.
Product Specifications
Application Application
Wastewater and chemical feedDeionized water systemsReverse osmosis systemsDesalinization systemsElectroplating
Instruments Instrument Type
Gauges, Transducers, Switches
Instruments Pressure Max For Gauges 2 12 To 6 In Size
0 to 30 psig
Instruments Pressure Max For Switches
0 to 30 psig
Instruments Pressure Max For Transducers
0 to 30 psig
Instruments Pressure Min For Gauges 2 12 To 6 In Size
0 to 30 psig
Limitations Which Apply Are Limitations Which Apply Are
These units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation. Gauge failures determined to be caused by over-range, incompatibility with environment or product media and abuse will not be considered under this warranty. NOSHOK, Inc. will, at its discretion, repair or replace the working parts of the damaged gauge without cost to the customer.In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice.
Options And Accessories Cooling Elements
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 temperaturesRecommended for process temperatures above 212 ºFRequires direct mounted systemEffective temperature reductions of 200 ºF depending upon ambient conditionsHigh >212 °F process temperature, low < -40 ºF process temperatureAll Stainless Steel construction
Options And Accessories Diaphragm Seal Fill Options
Glycerin (GY) Not recommended for use in vacuum applications.)Silicone (SL)Halocarbon® (HL)Neobee M20 (NB)Mineral Oil (MO)Propylene Glycol (PG)
Options And Accessories Distribution Manifolds
NOSHOK's Distribution Manifolds connect multiple instruments to one diaphragm seal, eliminating multiple connections that lead to possible leak paths.
Options And Accessories Plain And Armored Capillaries
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 armorProtects the instrument from high or low process temperaturesAllows 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 instrumentStandard length 5', others availableInstallation on analog gauges requires a gauge support and gauge adaptor, or other surface mounting provisionsAny 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 knownFilling options for capillariesSilicone - specify to 10 or 20 feet (SL-C)Halocarbon® - specify to 10 or 20 feet (HL-C)
Options And Accessories Seal Pressure Transmitterswitch Assembly
The NOSHOK All Non-Metallic Diaphragm Seal & Pressure Transmitter/Switch assembly is ideal for water, wastewater & chemical feed applications.
Prop 65 Warnings Prop 65 Warnings
WARNING: This product can expose you to chemicals including Lead 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
Specifications Diaphragm Displacement
8.9 mL
Specifications Diaphragm Material
Ethylene Propylene Diene Monomer (EPDM)-Polytetrafluoroethylene (PTFE) Coated on Process Side
Specifications Diaphragm Size
1.77 in
Specifications Instrument Connection Size
1/4 in
Specifications Instrument Connection Type
National Pipe Thread (NPT)
Specifications List Price
260.68 USD
Specifications Lower Housing Connection Size
1/4 in | 1/2 in
Specifications Lower Housing Connection Type
National Pipe Thread (NPT)
Specifications Lower Housing Material
Polyvinyl Chloride (PVC)
Specifications Process Connection
National Pipe Thread (NPT)
Specifications Process Connection Size
1/2 in
Specifications Seal Type
Threaded with non-replaceable diaphragm
Specifications Stock
Yes
Specifications Style
Non-Replaceable Diaphragm Seal
Specifications Type
Diaphragm Seal
Specifications Upper Housing Material
Polypropylene (PP)
Specifications Upper Housing Type
Non-Continuous Duty
Specifications Warranty
1 y