Industrial High Pressure Stainless Forged Weld Needle Valve with Safe Union-Bonnet Constitution

  Product DescriptionUnion Bonnet Needle ValvesHJZF4 Series: 6000 psigHJZF4H Series: Working pressure up to 10000 psigFeaturesOne-piece forged bodyTwo- stem design: Upper stem threads cold rolled and lower stem hardened for high strength and smooth operationAccidental valve disassembly disabled by union bonnet constructionUpper stem thread lubricant isolated from system mediaLinear instead of rotary movement of the rising, non-rotating stem minimizes packing abrasion and reduces the friction between the seat and the tipSafety back seating seal in fully open positionPanel mounting availableSteady and durable fastening of the handle by double lock-pins Handles of different colors availableEvery valve leak tested with Nitrogen or compressed air (HJZF4 Series) at the maximum allowable working pressure or with water (HJZF4H Series) at 1.1 times the maximum allowable pressure Working pressure up to: HJZF4 Series---Stainless steel: 6000 psig (414 bar)                                   Alloy C-276: 6000 psig (414 bar)                                  Alloy 400: 5000 psig (345 bar)HJZF4H Series Stainless steel: 10000 psig (690 bar)Working temperature: PTFE: -65°F to 450°F (-54°C to 232°C)PEEK: -65°F to 500°F (-54°C to 260°C)Graphite: -65°F to 1200°F (-54°C to 649°C)Product Parameters   Item   ComponentValve Body Material316 SSAlloy 400Alloy C-276Material Grade/ASTM Specification1HandleAnodized aluminum or stainless steel or black knob2Set Screw304 SS/A4793Upper Stem316 SS/A4794Packing Bolt304 SS/A4795Lock Nut316 SS/A4796Panel Nut Stainless steel7Gland316 SS/A4798Packing PTFE or PEEK or graphite9Bonnet316 SS/A479Alloy 400/B164Alloy C-276/B57410Union Nut316 SS/A47911a11b11cLower Stem Hardened 316 SS/A479 Alloy 400/B164Alloy C-276/B57411dStem 316 SS 479Alloy 400/B164 Alloy C-276/B574 Stem TipPTFE or PCTFE12Body 316 SS/A182Alloy 400/B164, B127, B564Alloy C-276/B564SeatSame as body LubricantMolybdenum disulfide-based / PTFE Lubricating GreaseDetailed Photos   Company Profile    FAQ1. Can I get a Sample?We do provide some small specific samples accordingly based on the process we situate in.  2. Do you provide customized products?We are good to offer customized services in terms of logo labeling, manufacturing based on samples or blueprints, etc. 3. Will communication be a problem? Our sales team had great knowledge of our products and acquired solid English communication skills in both written and speaking; the communication can be accessed either literally or verbally via any social networking platform. 4. Payment Method.L/C, T/T, PayPal, Western Union, etc.  Principally we do not accept third-party transactions via China's mainland region channel. 5. Why Choose us?Quality: 100% leakage, material, and functionality test in process and before shipping.Variety:  Highly customizable flexibility. Reliability:15 years of manufacturing experience.Efficiency: Quick& Effective response.Utility: Direct link from Manufacturer.Flexibility:  OEM/ODM are provided.Authentication: Real-time plant audit provided.Competitiveness: Price is negotiable on large volumes.   /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1