Pressure Gauge Movement and Hairspring Manufacturer

About Faithful Machinery

Zhenjiang Faithful Machinery Co., Limited is a professional manufacturer based in China, specializing in precision components for measurement instruments. With years of expertise, we deliver high-performance hairsprings, pressure gauge movements, pointers, and bourdon tubes to clients across the globe.

Our products are widely used in navy meters, vehicle instrumentation, electricity meters, micrometers, dial indicators, balance instruments, and various types of pressure gauges including normal, shockproof, and precision models.

10+

Years Experience

50+

Global Clients

100%

Quality Tested

Our Products

We manufacture a wide range of precision components for pressure measurement and instrumentation systems. All products are built to meet international standards with consistent quality and competitive pricing.

Precision Hairspring

High-elasticity alloy hairspring for accurate torque return in measuring instruments.

• Material: Phosphor Bronze / Beryllium Copper
• Applications: Pressure gauges, meters, indicators
• Tolerance: ±1%

Installed Movement

Standard mechanism movement for direct installation in pressure gauges.

• Diameter: 40mm, 50mm, 60mm
• Pressure Range: 0-10 bar to 0-1000 bar
• Accuracy: Class 1.0 / 1.6

Anti-Installed Movement

Reverse-threaded mechanism for specialized gauge housings.

• Designed for backward mounting
• Compatible with DIN standards
• Shock-resistant design

Special Movement

Custom-designed mechanisms for unique applications.

• Custom torque and scale
• OEM/ODM supported
• Prototyping available

Bourdon Tube

C-shaped or helical pressure sensing element made from high-grade stainless steel.

• Material: SS316, Phosphor Bronze
• Max Pressure: Up to 1000 bar
• Media: Gas, liquid, oil

Precision Pointer

Lightweight aluminum pointer with high visibility and balance.

• Length: 30mm to 100mm
• Color: Black, Red, White
• Balancing: Dynamic calibration

Micrometer Hairspring

Ultra-fine hairspring for precision micrometers and dial gauges.

• Diameter: 8–12mm
• Turns: 8–12
• Application: Calibration tools

Shockproof Movement

Reinforced mechanism for high-vibration environments.

• Filled with silicone oil
• Vibration resistance up to 20g
• Ideal for industrial machinery

Electricity Meter Spring

Durable hairspring for energy metering systems.

• Long cycle life (>100,000 cycles)
• Corrosion-resistant coating
• Stable torque output

Custom Pointer Sets

Complete pointer and pivot assemblies for OEM integration.

• Includes jewel bearings
• Pre-balanced
• Compatible with all standard movements

High-Pressure Bourdon

Heavy-duty tube for hydraulic and industrial pressure systems.

• Pressure: 0–1000 bar
• Material: Stainless Steel 316L
• Test Pressure: 1.5x full scale

Navy Grade Pointer

Marine-grade pointer with anti-corrosion finish.

• Saltwater resistant
• UV-stable coating
• Used in shipboard instruments

Why Choose Faithful?

We combine precision engineering with customer-first service to deliver unmatched value.

✓

Superior Quality

All components undergo rigorous testing for durability, accuracy, and consistency. We adhere to ISO standards and perform 100% final inspection.

Competitive Pricing

Direct factory pricing ensures cost efficiency without compromising on material or workmanship quality. Ideal for bulk orders and long-term partnerships.

🔧

Custom Solutions

We support OEM and ODM projects with full customization – from design to packaging. Rapid prototyping and sample delivery available.

🌍

Global Reach

Trusted by clients in Europe, North America, Southeast Asia, and the Middle East. Fast shipping and reliable logistics support.

📞

Responsive Service

Dedicated support team available via WhatsApp, email, and Skype. Quick response time and technical assistance provided.

📦

Reliable Packaging

Products are securely packed to prevent damage during transit. Custom packaging options available upon request.

Frequently Asked Questions

What materials are used for your hairsprings?

We use high-quality phosphor bronze and beryllium copper alloys, known for their excellent elasticity, fatigue resistance, and stability under repeated stress.

Can you manufacture custom pressure gauge movements?

Yes, we specialize in OEM/ODM custom movements. Provide your specifications, scale, size, and pressure range, and we’ll develop a solution tailored to your needs.

What is the lead time for bulk orders?

Typical lead time is 15–25 days after sample approval, depending on order volume and complexity. Express production options are available.

Do you offer samples?

Yes, we provide free samples for qualified buyers. Shipping cost may apply depending on destination.

What certifications do you have?

Our manufacturing processes follow international quality standards. While we are not ISO certified yet, our internal QA system ensures consistent product reliability.

How do you ensure product accuracy?

Each movement and hairspring is tested for torque, linearity, and response. Final inspection includes visual, functional, and dimensional checks.

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Precision Hairsprings &
Pressure Gauge Movements