Diaphragm Seal Solutions
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Diaphragm Seal Solutions Replaceable Bolted Flow-Through Annular Style Non-Replaceable Non-Metallic Sanitary Front Flush Bolted Accessories

t NOSHOK, we pride ourselves on being innovators in the industry by continually offering the latest technology and measurement solutions, and providing the best customer support in the marketplace. Established in 1967, NOSHOK was one of the rst companies to offer liquid lled pressure gauges. We also took a bold step by backing our quality gauges with an extended 3-year warranty. That unwavering standard of quality has endured for over 45 years, and as we have expanded our product offering we continue to provide industry-leading warranties. NOSHOK also leads the industry as one of the rst...

WARRANTY INFORMATION NOSHOK’s One Year Warranty applies to all NOSHOK diaphragm seals, and all options & accessories listed in this catalog. NOSHOK guarantees all products to be free from defects in material and workmanship and to operate within the catalogued performance specications. These products 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 certied test facility specializing in this type of evaluation. Diaphragm seal failures determined to be caused by over-range,...

Replaceable Diaphragm Standard & Elevated Pressure, Bolted TYPE • Designed to isolate the pressure measuring instrument from high temperatures, or corrosive or viscous process media • Can be used for remote mounting of pressure instrument(s) with capillary • Utilizes a replaceable diaphragm clamped between the anged metal housings with an o-ring seal to create a leak-free union • Process connection sizes from 1/4" NPT through 1-1/2" NPT • Flushing port connection is an available option that allows the wetted areas of the seal to be cleaned, or the process vented without removing the unit...

ORDERING INFORMATION (2,000 psi) 10H (5,000 psi) 1/4″ NPT 04 1/2″ NPT Carbon steel S 316 Stainless steel Tantalum M Monel 400 Hastelloy C – 276 N Inconel 600 NBR T PTFE1 1/4″ NPT 06 3/4″ NPT 1/2″ NPT 08 1″ NPT (ASME and DIN flanges available upon request) C Carbon steel M Monel 400 H Hastelloy C-276 N Inconel 600 1F 1/8″ NPT 2F 1/4″ NPT TYPES INSTRUMENT CONNECTION SIZES UPPER HOUSING MATERIALS DIAPHRAGM MATERIALS O-RING MATERIALS PROCESS CONNECTION SIZES LOWER HOUSING MATERIALS FLUSHING CONNECTIONS ORDERING INFORMATION DIMENSIONS S 316 Stainless steel U Titanium Please consult your local...

Replaceable Diaphragm Reduced Pressure, Non-Metallic Lower, Bolted TYPE • Intended for corrosive or viscous pressure media • Designed for applications where typical metallic lower housings cannot withstand process media • Can be used for remote mounting of pressure instrument(s) with capillary • Utilizes a replaceable diaphragm clamped between the anged housings with an o-ring seal to create a leak-free union • Process connection sizes from 1/4" NPT through 1-1/2" NPT • Consider instrument size, pressure range, media composition, ambient and operating temperature, and maximum working...

ORDERING INFORMATION DIMENSIONS ORDERING INFORMATION TYPE INSTRUMENT CONNECTION SIZES UPPER HOUSING MATERIALS DIAPHRAGM MATERIALS 1/4″ NPT 04 1/2″ NPT Carbon steel S 316 Stainless steel Tantalum M Monel 400 Hastelloy C – 276 N Inconel 600 NBR T PTFE 1/4″ NPT 06 3/4″ NPT 1/2″ NPT 08 1″ NPT (ASME and DIN flanges available upon request) KN PVDF PV PVC PP PP TC PTFE (Carbon filled) O-RING MATERIALS PROCESS CONNECTION SIZES LOWER HOUSING MATERIALS TG PTFE (Glass filled) Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information. 1 NBR o-rings standard...

Replaceable Diaphragm Flow-Through Annular Style TYPE • Process liquid owing through the pipe exerts pressure onto a ush-mounted exible inner cylinder containing clean, captive liquid; completely isolating instrumentation from the process ow and preventing plugging • Can be used for remote mounting of pressure instrument(s) with capillary • Instrumentation can be removed for calibration, repair or replacement without interrupting the process ow • Integral design prevents accidental breakage • Can be used with a variety of process conditions in many applications • Eliminates clogging...

ORDERING INFORMATION DIMENSIONS ORDERING INFORMATION TYPE INSTRUMENT CONNECTION SIZES HOUSING MATERIALS DIAPHRAGM MATERIALS PIPE SIZES FLANGE MATERIALS 1/4″ NPT Carbon steel NBR 2″ Pipe 3″ Pipe 4″ Pipe Carbon steel 1/2″ NPT 316 Stainless steel FKM 5″ Pipe 6″ Pipe 8″ Pipe 316 Stainless steel PTFE 10″ Pipe 12″ Pipe 14″ Pipe EPDM 16″ Pipe 18″ Pipe 20″ Pipe Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information. EXAMPLE Type 40 A Needle valve for instrument removal NOMINAL PIPE SIZE 2"

Non-Replaceable Diaphragm • For wastewater and chemical feed applications, as well as applications with corrosive media • Constructed of corrosion-resistant PP glass ber reinforced upper housing and PP, PVC or PVDF lower housing • Protects pressure instruments used on ultra-pure or highly corrosive uid lines such as demineralized water, sulfuric acid, hydrochloric acid, and caustics • PTFE-coated EPDM diaphragms are standard on all assemblies • 100% non-metallic wetted surfaces assures maximum chemical and temperature compatibility APPLICATIONS Wastewater and chemical feed Deionized water...

ORDERING INFORMATION DIMENSIONS ORDERING INFORMATION TYPE INSTRUMENT CONNECTION SIZES UPPER HOUSING MATERIAL DIAPHRAGM MATERIAL PROCESS CONNECTION SIZES LOWER HOUSING MATERIAL 1/4″ NPT PP EPDM-PTFE coated on process side 1/4″ NPT PVC Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.