Nickel-Base Alloy & Stainless Steel Sampling Valve Body for Sampling Valves

The Nickel Base Alloy Stainless Steel Sampling Valve Body is a high-purity component designed for safe and accurate fluid sampling in critical process industries. Manufactured from nickel-based alloys (Hastelloy® C-22, UNS N06022; Inconel 625, UNS N06625) or premium stainless steels (316L, UNS S31603; 254 SMO, UNS S31254) via investment casting or forged machining, these valve bodies feature smooth internal surfaces and crevice-free designs to prevent sample contamination and material buildup.

Engineered for tight shutoff and low dead volume, the valve bodies meet ISO 11618, ASME B16.34, and cGMP standards, ensuring compliance with strict purity requirements for pharmaceuticals, semiconductors, and chemical analysis. They support both manual and automated sampling systems, with optional electro-polishing for ultra-clean surfaces (Ra ≤ 0.2μm).

This casting part is a sampling valve body for sampling valves. It is made of both stainless steel and nickel-base alloy. It is suited for the working environments from full vacuum up to 10 bar & 300 ºC.

Superior Chemical Resistance: Hastelloy C-22 bodies resist corrosion from concentrated acids (HCl, H₂SO₄, HF) and oxidizing agents, while 254 SMO handles chloride solutions (≤50,000 ppm Cl⁻) without pitting, ideal for aggressive process streams.

Purity Assurance Design: Electropolished surfaces (Ra ≤ 0.5μm) and passivated interiors eliminate trace metal leaching, with low dead volume (<5ml for 1/2" valves) minimizing sample waste and cross-contamination risks.

Precision Sealing Technology: Double-diaphragm or metal-to-metal seals provide bubble-tight shutoff (API 598 compliant), with optional bellows seals for zero-emission sampling in toxic or volatile media.

Modular Configuration: Available in 2-way, 3-way, or multi-port designs with connections (Swagelok®, NPT, ISO-K) to integrate with chromatography, mass spectrometry, and process analyzers.

The sampling valve casing parts are the main body of a sampling valve.

They are primarily used for sample collection, such as powders and solids sampling inside tank equipment or pipelines.

The sampling valve body is a key component in the complete sampling valve system. It is critical for industries of chemical, pharmaceutical, petrochemical and food industries ,etc

Pharmaceutical Manufacturing: Used in sterile sampling of APIs, vaccines, and bioreactor fluids, with electropolished 316L bodies meeting USP Class VI and EHEDG guidelines for biocompatibility.

Semiconductor Fabrication: Integral to ultra-pure water (UPW) and chemical vapor deposition (CVD) systems, where Inconel 625 bodies resist fluorine-based etchants and particle contamination.

Petrochemical Analysis: Collects representative samples of crude oil, refined fuels, and process intermediates, with Hastelloy C-22 bodies enduring sulfuric acid and hydrogen sulfide (H₂S) without surface degradation.

Environmental Testing: Deployed in air and water quality monitoring systems, ensuring accurate sampling of pollutants like heavy metals and volatile organic compounds (VOCs) without bias from material interaction.

Q: What is the minimum dead volume available for these valve bodies?

A: Custom designs can achieve dead volumes as low as 1ml for 1/4" valves, ideal for rare or expensive sample collection in R&D applications.

Q: Can the valve body be steam sterilized (SIP) or autoclaved?

A: Yes—all materials support SIP at 134°C (273°F) for 30 minutes, with optional PTFE seals rated for repeated thermal cycles.

Q: How is sample contamination prevented during sampling?

A: The crevice-free design, ultra-smooth surfaces, and inert material selection (no carbon steel components) eliminate sites for biofilm or residue buildup, validated via particle counting and extractable testing.