High Strength Material Precision Fit Junkers Valve Screw Rod 81.5mm Gas Water Heaters
The 81.5mm Junkers Long Valve Screw Rod is a precision spare part designed for gas water heaters. Manufactured from high-strength alloy steel or stainless steel, it ensures reliable valve operation, smooth movement, and excellent sealing performance. With accurate dimensions and durable surface treatment, this screw rod provides long-lasting resistance to wear, corrosion, and high temperatures. It is an ideal replacement or OEM component for maintaining and extending the service life of gas water heaters.
Key Features
- Precision Fit: Manufactured to Junkers standard dimensions for high compatibility, ensuring smooth and stable valve operation without sticking.
- High-Strength Material: Made from alloy steel or high-grade stainless steel, offering excellent wear and corrosion resistance with long service life.
- Standard Length: 81.5mm extended size, suitable for deep valve chambers and special installation requirements.
- Surface Treatment: Heat-treated and polished or coated to enhance durability, wear resistance, and anti-rust performance.
- Easy Replacement: Compatible with common Junkers valve bodies, allowing quick on-site replacement and reduced maintenance time.
- Quality Assured: Each batch undergoes strict dimensional and hardness testing, with factory inspection reports and quality guarantees provided.
Technical Specifications
| Parameter |
Specification |
| Product Name |
81.5mm Junkers Long Valve Screw Rod |
| Application |
Gas Water Heater Valve Assembly |
| Length |
81.5 mm |
| Material |
Alloy Steel / Stainless Steel (optional) |
| Surface Treatment |
Heat Treatment + Polishing / Plating |
| Thread Type |
Junkers Standard (customizable) |
| Tolerance |
±0.05 mm (or customized) |
| Hardness |
HRC 40–55 (depending on material & process) |
| Operating Temperature |
-20 ℃ ~ 200 ℃ |
| Compatibility |
Fits most Junkers-type valve bodies |
| Packaging |
Neutral packing / Custom packing available |
| Quality Assurance |
Factory inspection report, CE/RoHS optional |
Frequently Asked Questions
Q: Is this screw rod compatible with all Junkers valves?
A: It fits most Junkers-type valve bodies, but we recommend confirming with your model or providing a sample for verification.
Q: Can the material or surface finish be customized?
A: Yes, alloy steel or stainless steel options are available, with polishing, nickel, or chrome plating upon request.
Q: How can I confirm if I need the 81.5mm size?
A: Measure the length of your existing screw rod and compare the thread type, or send us details for confirmation.
Q: Do you provide OEM/ODM service?
A: Yes, OEM and ODM customization for dimensions, materials, and packaging are supported.
Q: What quality assurance do you offer?
A: Each batch is tested for dimensions and hardness, with factory inspection reports and warranty support available.
Product Images
Front View
Top View
Installation Example
Flame Distribution
Side View