Ruihua Hardware manufactures precision 82 series push-on field attachable hose fittings. These one-piece fittings install without crimping machines. They fit standard pneumatic and low-pressure hydraulic systems worldwide. This guide covers specifications, materials, applications, and ordering details.
1. Product Specifications
Ruihua Hardware's 82 series fittings follow industry-standard dimensions. They fit pneumatic systems and low-pressure hydraulic equipment. The one-piece design allows field installation without special tools.
Technical Parameters
Parameter
Value
Port Size
1/8" to 1-3/8"
Hose Inner Diameter
6.35 mm ~ 25.40 mm (1/4" ~ 1", size code -4 to -16)
Shapes
Straight, 45° Elbow, 90° Elbow
Materials
Carbon Steel, Brass, Stainless Steel
Installation
Push-on, field attachable, no crimping machine needed
Ruihua Hardware offers three material choices. Each suits different working conditions and budgets.
2.1 Stainless Steel Push-On Fittings
Ruihua Hardware's stainless steel 82 series fittings use CNC one-pass machining. They include fixed yellow locking O-rings. These fittings resist rust and acid. They work well outdoors, in chemical pneumatic pipelines, and humid conditions. The push-lock structure maintains clamping force after repeated assembly and disassembly.
2.2 Solid Brass Push-On Hose Connectors
Ruihua Hardware makes brass 82 series fittings from H59 forged brass. The inner bore is smooth, which reduces fluid resistance. Each thread has a plastic dust cap for protection during storage and transport. These fittings suit air compressors, injection molding machines, and agricultural machinery.
2.3 Zinc-Plated Carbon Steel Fittings
Ruihua Hardware's zinc-plated carbon steel 82 series fittings are cost-effective. The surface treatment prevents rust. They meet basic needs for factory automation and standard pneumatic assembly. These fittings suit large-batch procurement and mass production.
3. Key Advantages of Ruihua Hardware 82 Series Fittings
3.1 Field-Attachable Push-On Design
No crimp tools or professional equipment needed. Operators push the hose onto the fitting by hand. This speeds up on-site assembly and maintenance.
3.2 Full-Size Stock Availability
Ruihua Hardware keeps complete specifications in stock. All port sizes and three body shapes (straight, 45°, 90°) are available for fast global delivery. We accept both small trial orders and bulk wholesale orders.
3.3 Yellow Lock Ring Sealing System
A custom yellow elastic lock ring fits tightly against the hose body. This prevents air leakage and pressure loss during pressure fluctuations and long-term operation.
3.4 Universal Standard Replacement
Ruihua Hardware manufactures these fittings to international 82 series standard dimensions. They directly replace conventional standard parts without modifying existing hoses or equipment.
4. Industrial Applications
Ruihua Hardware 82 series push-on fittings suit these industries:
Q: Can Ruihua Hardware provide free samples of 82 series push-on fittings?
A: Yes. Ruihua Hardware supports free product samples for customers to verify quality and specifications. Customers only pay the courier fee. Contact our sales team to arrange sample delivery.
A: Yes. Ruihua Hardware operates a complete CNC processing workshop. We provide OEM and customized non-standard production services. Send us your drawings, samples, or working condition requirements — Ruihua Hardware will manufacture exclusive fittings for you.
Q: What is the bulk order lead time for Ruihua Hardware 82 series fittings?
A: Ruihua Hardware ships standard in-stock 82 series fittings within 1-3 working days after deposit confirmation. Custom non-standard products require 7-15 working days, depending on our production schedule. Ruihua Hardware will confirm the exact delivery date when you place the order.
Q: Are Ruihua Hardware 82 series fittings compatible with standard industrial equipment?
A: Yes. Ruihua Hardware manufactures all 82 series push-on fittings to unified international standard dimensions. They achieve 100% universal compatibility and directly replace conventional standard industrial fittings.
Q: What quality tests do Ruihua Hardware pneumatic fittings pass?
A: Ruihua Hardware tests all 82 series fittings for pressure resistance and air tightness. We provide official test reports and quality certification documents upon request. Ruihua Hardware stands behind every fitting we ship.
6. Other Ruihua Hardware Fluid Connection Products
Ruihua Hardware manufactures a full range of hydraulic and pneumatic fittings. You may also need these products:
