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FRP Pressure Vessels - 2.5" NPSM Series for Water Treatment
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FRP Pressure Vessels – 2.5″ NPSM Series for Water Treatment

High-performance FRP pressure vessel featuring a standard 2.5″ NPSM threaded opening. Designed for residential and light commercial water treatment, this tank is universally compatible with Runxin, Fleck, and Clack control valves, making it the ideal housing for water softeners, carbon filters, and RO pre-treatment systems.

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제품 설명

The Backbone of Efficient Water Filtration Systems.

The Stark 2.5″ NPSM Series is our most versatile line of composite fiberglass pressure vessels. Unlike traditional steel tanks that are prone to rust and heavy to handle, our composite vessels feature a seamless high-density polyethylene (HDPE) inner liner wound with continuous fiberglass strands and sealed with high-grade epoxy resin.

This advanced construction ensures 100% corrosion-free performance and zero contamination, making it perfect for drinking water applications and critical RO pre-treatment stages.

Technical Note:
Our tanks undergo rigorous burst pressure and fatigue testing. For detailed structural stress analysis, raw material composition, or specific manufacturing protocols, please reference the official technical data at our specialized manufacturing division:

Stark Tank Manufacturing – 2.5″ NPSM Series Specs

제품 매개변수

Use the chart below to select the correct vessel size based on your required resin volume or flow rate.

모델 볼륨 용량 Dimensions (Dia x H) Flow Rate (m³/h) B2B Quote
유형 US Gal Liters Inch mm Reference Action
STK-713 1.6 6 7″ x 13″ Ø180 x 335 0.3-0.7 Inquiry
STK-717 2.4 9 7″ x 17″ Ø180 x 430 0.3-0.7 Inquiry
STK-735 5.3 20 7″ x 35″ Ø180 x 905 0.3-0.7 Inquiry
STK-817 2.9 11 8″ x 17″ Ø205 x 445 0.3-0.7 Inquiry
STK-835 6.3 24 8″ x 35″ Ø205 x 905 0.3-0.7 Inquiry
STK-844 8.7 33 8″ x 44″ Ø205 x 1130 0.3-0.7 Inquiry
STK-935 8.7 33 9″ x 35″ Ø230 x 905 0.5-1.2 Inquiry
STK-942 10.3 39 9″ x 42″ Ø230 x 1085 0.5-1.2 Inquiry
STK-948 11.9 45 9″ x 48″ Ø230 x 1230 0.5-1.2 Inquiry
STK-1017 4.8 18 10″ x 17″ Ø255 x 445 0.8-1.4 Inquiry
STK-1035 10.3 39 10″ x 35″ Ø255 x 905 0.8-1.4 Inquiry
STK-1044 12.9 49 10″ x 44″ Ø255 x 1130 0.8-1.4 Inquiry
STK-1054 16.4 62 10″ x 54″ Ø255 x 1390 0.8-1.4 Inquiry
STK-1252 22.5 85 12″ x 52″ Ø300 x 1340 0.8-1.5 Inquiry
STK-1265 28.0 106 12″ x 65″ Ø300 x 1650 0.8-1.5 Inquiry
STK-1354 27.5 104 13″ x 54″ Ø330 x 1400 1.2-2.3 Inquiry
STK-1665 49.7 188 16″ x 65″ Ø400 x 1670 1.2-2.3 Inquiry

*Flow rates are for reference only. Please consult our engineers for specific system design parameters.

해당 산업

  • Water Softening Systems:
    Ideal housing for cation exchange resin to remove calcium and magnesium hardness in residential and industrial boiler feed water.
  • 활성탄 여과:
    Used for de-chlorination, organics removal, and taste/odor improvement in municipal water supply lines.
  • RO Pre-Treatment:
    Acts as the primary sand/multimedia filter to protect sensitive Reverse Osmosis membranes from sediment and particulate fouling.

장점 1

Corrosion-Resistant Composite Construction

Stark FRP vessels are engineered to outlast traditional steel tanks in aggressive water environments. The inner shell is molded from seamless, food-grade High-Density Polyethylene (HDPE), ensuring that water never touches metal. This guarantees zero rust and no heavy metal leaching. The outer shell is reinforced with continuous strands of fiberglass embedded in high-performance epoxy resin, providing a pressure rating of 150 PSI (10.5 Bar) while being 60% lighter than steel equivalents.

이점 2

Universal Compatibility & Easy Maintenance

Designed with the system integrator in mind, the 2.5″ NPSM threaded top opening is manufactured with precision tolerances to ensure a leak-free seal with all major control valve brands, including Runxin, Fleck, Clack, and Autotrol. The lightweight composite structure simplifies transport and installation, allowing a single technician to position the tank and load media (Resin, Carbon, or Sand) without the need for heavy lifting equipment.

관련 제품

연관 상품

자주 묻는 질문

역삼투압 시스템의 수명은 수질과 유지 관리에 따라 달라집니다. 일반적으로 멤브레인의 수명은 2~3년이며, 시스템 자체는 적절한 관리를 통해 10년 이상 지속될 수 있습니다.

예, 모든 시스템은 완벽하게 사용자 정의할 수 있습니다. 고객의 수질 보고서와 애플리케이션 요구 사항을 분석하여 맞춤형 솔루션을 제공합니다.

당사의 제품은 CE, ISO 9001을 준수하며 요청에 따라 특정 지역 규정 또는 산업 표준을 충족하도록 설계할 수 있습니다.

표준 시스템은 7~15일 이내에 배송됩니다. 맞춤형 주문의 경우 복잡성에 따라 리드 타임이 20~25일로 연장될 수 있습니다.

예. 전체 기술 문서와 비디오를 통한 원격 지원을 제공하며, 요청 시 엔지니어를 해외로 파견할 수 있습니다.

견적에는 전체 RO 시스템, 제어판, 펌프, 전처리 장치 및 필요한 모든 피팅이 포함됩니다. 요청 시 설치 도구와 예비 부품도 포함될 수 있습니다.

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