Product photos Snubber Valve and Tube Fittings Pressure gauge flutter caused by reciprocating pumps, rapid cycling valves, or system pulsation leads to inaccurate readings, operator confusion, and premature instrument wear. Samvay Fluid Tekniks Inc. presents our advanced range of Pressure Snubbers (also known as Pulsation Dampeners, Gauge Protectors, or Pressure Pulse Dampeners), designed to smooth out these fluctuations and deliver a steady, readable pressure to your instruments.
Product Overview A snubber acts as a protective “shock absorber” for your pressure instruments. By restricting the flow of the media into the gauge, it dampens harmful spikes, surges, water hammer, and fluid pulsation. This not only ensures a stable reading but also significantly extends the operational life of the gauge by reducing mechanical fatigue.
How Snubbers Work: Different snubber types use different mechanisms, but all achieve the same goal: smoothing pressure fluctuations .
Type Operating Principle Piston Type A precision-fit piston moves within a cylinder, dampening surges through controlled fluid bypass Porous Metal Type Fluid passes through a sintered metal disc, which diffuses pressure pulses by creating controlled resistance Adjustable Needle Type A fine-thread needle valve allows field adjustment of the orifice size to tune damping Diaphragm Type A flexible diaphragm isolates the instrument while transmitting pressure hydraulically
Why Snubbers Are Essential: Problem Consequence Solution Gauge Flutter Difficult to read, operator uncertainty Snubber smooths pulsations Pressure Spikes Damage to bourdon tube, calibration shift Snubber absorbs spikes Water Hammer Sudden pressure surges damage internals Snubber dampens impact Mechanical Fatigue Premature failure from cycling Snubber reduces cycles False Trips Switches operate on spikes, not true pressure Snubber provides true reading
Key Features & Benefits Feature Technical Benefit Operational Benefit Multiple Types Available Piston, Porous, Adjustable for any application One source for all damping needs Wide Pressure Range From vacuum to 60,000 PSI Suitable for any system Broad Temperature Range -320°F to 1500°F Cryogenic to high-temp service Corrosion-Resistant Materials SS316, Hastelloy, Monel Compatible with any fluid Compact Design Small footprint, direct mount Fits anywhere, no extra piping Field Adjustable Adjustable models allow tuning Optimize damping on-site Self-Cleaning Option Piston type self-purging Handles dirty fluids Bi-Directional Works in both flow directions Universal installation Full Traceability Material certifications Audit-ready documentation
Technical Specifications Specification Details Material of Construction SS316/L, SS304, Hastelloy C276, Monel 400, Inconel 625, Titanium, Alloy 20 Connection Size 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″ NPT / BSP Connection Type Male x Male, Male x Female, Female x Female Pressure Limits Standard: Up to 6,000 PSI; High-pressure: Up to 20,000 PSI; Ultra-high: Up to 60,000 PSI Operating Temperature Standard: -65°F to 450°F (-54°C to 232°C); Extended: -320°F to 1500°F (-195°C to 815°C) Snubber Types Piston Type, Porous Metal Type, Adjustable Needle Type, Diaphragm Type, Integral with Syphon Port Size Options 0.002″ to 0.125″ orifice (depending on type and model) Service Liquid, Gas, Steam, or Combination Damping Ratio Up to 90% reduction in pulsation amplitude Surface Finish As-machined, passivated, electropolished Cleaning Standard industrial clean; Oxygen cleaning available Identification Laser marked with type, material, pressure rating
Whats App Mail Us Call Us Complete Product Range By Snubber Type: Type Description Best For Pressure Range Piston Type Spring-loaded or free-floating piston in cylinder Viscous liquids, dirty fluids, high-pressure Up to 60,000 PSI Porous Metal Type Sintered stainless steel or Hastelloy disc Gases, clean liquids, high-temperature Up to 10,000 PSI Adjustable Needle Type Precision needle valve for orifice adjustment Field tuning, varying conditions, R&D Up to 10,000 PSI Diaphragm Type Flexible metal or elastomer diaphragm Sanitary applications, clean services Up to 1,500 PSI Integral Snubber Combined with syphon or other fitting Compact installations, steam service Up to 6,000 PSI Fixed Orifice Precision drilled orifice plate Constant conditions, economical Up to 6,000 PSI
By Connection Size: Connection Size Male-Male Length Male-Female Length Female-Female Length 1/8″ 1.5″ (38mm) 1.8″ (46mm) 1.6″ (41mm) 1/4″ 1.8″ (46mm) 2.1″ (53mm) 1.9″ (48mm) 3/8″ 2.0″ (51mm) 2.3″ (58mm) 2.1″ (53mm) 1/2″ 2.3″ (58mm) 2.6″ (66mm) 2.4″ (61mm) 3/4″ 2.8″ (71mm) 3.1″ (79mm) 2.9″ (74mm) 1″ 3.3″ (84mm) 3.6″ (91mm) 3.4″ (86mm)
By Material Material Grade Application Stainless Steel SS316/L General purpose, chemical, pharmaceutical Stainless Steel SS304 General purpose, food, water Hastelloy C276 Extreme corrosion, acids, chlorides Monel 400 Hydrofluoric acid, seawater Inconel 625 High temperature, oxidation Titanium Grade 2 Aerospace, medical, extreme corrosion Alloy 20 , Sulfuric acid service
By Fluid Type Fluid Snubber Type Material Special Feature Dirty Fluids Piston Type SS316 Self-cleaning action Viscous Fluids Piston Type SS316 Larger piston clearance Steam Porous Metal or Integral with Syphon SS316 High-temperature design Corrosive Porous Metal or Piston Hastelloy/Monel Match material to fluid Sanitary Diaphragm Type SS316L Electropolished, crevice-free
By Pressure Pulsation Severity Severity Amplitude Recommended Type Damping Required Mild <10% of pressure Fixed Orifice or Porous Metal Low (2-5:1) Moderate 10-25% of pressure Porous Metal or Adjustable Medium (5-10:1) Severe 25-50% of pressure Piston or Adjustable High (10-20:1) Extreme >50% of pressure Piston with spring Very High (>20:1)
Quality & Compliance Material Quality Parameter Standard / Test Raw Material Certified barstock from prime mills Material Certification EN 10204 3.1 Mill Test Certificate Chemical Composition Spectro analysis verification PMI Testing Positive Material Identification (optional) Hardness Testing For NACE compliance
Dimensional Quality Parameter Standard / Test Thread Accuracy ASME B1.20.1 (NPT) or ISO 228 (BSP) gauges Piston Fit Precision ground, 0.0002″, 0.0005″ clearance Orifice Size Verified with pin gauges
Performance Testing Test Method Acceptance Criteria Pressure Test 150% of working pressure No leakage, no permanent deformation Leak Test Air under water Zero bubbles
Certifications Certification Applicability ISO 9001:2015 Quality management system EN 10204 3.1 Material traceability NACE MR0175 Sour service (optional) NACE MR0103 Refinery sour service (optional)
Installation Guidelines Mounting Direct Mount: Install snubber directly into gauge port for compact installationRemote Mount: Install in impulse line between process tap and gaugeVertical Orientation: Preferred for liquid service to allow air to riseHorizontal Orientation: Acceptable for gas serviceCommon Mistakes to Avoid Mistake Consequence Prevention No snubber on pulsating lines Gauge failure, inaccurate readings Always use snubber on pumps Over-dampening Slow response, missed pressure spikes Adjust for minimal effective damping Wrong type for fluid Clogging (porous in dirty fluid) Select correct type Incorrect material Corrosion, failure Check chemical compatibility No isolation valve Can’t service snubber online Install upstream isolation valve Piston installed upside down Poor damping, air entrapment Follow orientation guidelines
Industry Applications Oil & Gas Application Snubber Type Material Special Requirements Reciprocating Pumps Piston Type SS316 High-pressure, NACE Wellhead Chokes Piston or Adjustable SS316 Sour service Pipeline Surge Adjustable SS316 Field adjustable Compressor Discharge Porous Metal SS316 Oil-resistant seals Hydraulic Systems Piston Type SS316 5,000+ PSI
Power Generation Application Snubber Type Material Special Requirements Boiler Feed Pumps Piston Type SS316 High-pressure, high-temp Turbine Lube Oil Porous Metal SS304 Clean oil, low pressure Condensate Pumps Piston Type SS304 Water service Cooling Water Porous Metal SS304 General purpose
Chemical Processing Application Snubber Type Material Special Requirements Dosing Pumps Piston Type SS316 Chemical resistant Reactors Porous Metal Hastelloy Corrosive service Transfer Pumps Piston or Porous SS316 General chemical
Water & Wastewater Application Snubber Type Material Special Requirements Sludge Pumps Piston Type SS304 Dirty service, self-cleaning Chemical Feed Piston Type SS316 Chemical resistant High-Pressure Pumps Piston Type SS304 1,000+ PSI Filter Presses Piston Type SS304 Cyclic pressure
Pharmaceutical Application Snubber Type Material Special Requirements WFI Systems Diaphragm Type SS316L USP Class VI, sanitary Bioreactors Diaphragm Type SS316L Sterilizable Chromatography Porous Metal SS316L Ultra-clean
Why Choose Samvay Fluid Tekniks Inc.? Complete Range: All types: Piston, Porous, Adjustable, Diaphragm All materials: SS316, Hastelloy, Monel, etc. All sizes: 1/8″ to 1″ Precision Engineering: CNC machined to tight tolerances Consistent performance unit to unit 100% tested before shipment Application Expertise: Right type for your fluid Correct material for your process Proper size for your flow Quality Assurance: Material certifications with every order Pressure tested Cleaned and bagged Global Supply: Export packaging Door-to-door shipping Full documentation Ordering Information How to Specify Your Snubber:
Type Required: Piston, Porous, Adjustable Connection Size: 1/4″, 1/2″, etc. Connection Type: Male-Male, Male-Female Thread: NPT or BSP Material: SS316, Hastelloy, etc. Pressure Rating: Operating pressure Fluid Type: Liquid, gas, or steam Special Requirements: Oxygen cleaning, NACE, etc. For Quick Quotation:
Snubber type and quantity Connection size and thread Material required Pressure range Fluid type Any special requirements 
