Valve Saver & Matching Parts - Z08240000001AA

1

Valve saver

Z08240000001AA

Main body: High-strength alloy steel 40Cr, surface anti-corrosion electrophoresis coating; internal components: Stainless steel 304; pressure-bearing capacity ≤ 2.0MPa, compliant with API Spec 7K and ISO 6431

1. Body deformation from impact by drilling tools or debris; 2. Internal component wear from insufficient lubrication; 3. Coating damage and corrosion from drilling fluid and outdoor humidity.

1. Install protective covers to avoid impact; 2. Lubricate internal components monthly with lithium-based grease; 3. Clean the surface promptly after contact with drilling fluid and reapply anti-corrosion coating if needed.

1

Rod

Z08240100001AA

Alloy steel 40Cr, surface chrome plating (thickness 0.05-0.1mm), tensile strength ≥ 830MPa, hardness HRC 45-50, compliant with GB/T 3077-2015

1. Surface wear and chrome layer peeling from friction with guiding components; 2. Bending from uneven force during operation; 3. Corrosion of the base material from chrome layer damage.

1. Ensure regular lubrication to reduce friction; 2. Avoid applying uneven force during installation and operation; 3. Inspect the chrome layer monthly and replace if peeling is found.

2

Valve rod

4312700012

Stainless steel 304, surface polished (roughness Ra≤0.8μm), precision machining to match valve saver internal dimensions, compliant with ISO 6431

1. Wear from long-term contact with sealing components; 2. Scratches from impurities entering the motion gap; 3. Corrosion from moist air and drilling fluid residues.

1. Clean the rod surface before assembly to remove impurities; 2. Lubricate the surface with anti-corrosion grease; 3. Install a dust cover to prevent impurity intrusion.

3

Oscillating arm

5300100065

Carbon steel AISI 1045, surface zinc plating, integrated forging structure, tensile strength ≥ 600MPa, compliant with GB/T 699-2015

1. Fatigue cracking at the hinge from long-term repeated motion; 2. Zinc layer damage and corrosion from dust and moisture; 3. Wear at the connection hole from friction with fasteners.

1. Inspect the hinge and connection hole monthly for wear; 2. Clean and apply anti-rust oil regularly; 3. Replace if cracks or excessive wear are detected.

1

O sealing ring 11x1.9

P2600011AA

Nitrile rubber (NBR), shore hardness 70±5, oil-resistant, high-temperature resistant (≤120℃), compliant with GB/T 3452.1-2005; used for small component sealing

1. Aging and hardening from long-term exposure to high temperature and lubricants; 2. Damage from sharp edges during assembly; 3. Deformation from over-compression.

1. Replace every 6-12 months during routine maintenance; 2. Smooth sharp edges before assembly; 3. Ensure proper compression (not exceeding 30% of the ring’s cross-section).

2

O sealing ring 22x2.4

P6000366AA

Nitrile rubber (NBR), shore hardness 75±5, oil-resistant, pressure-resistant (≤2.5MPa), compliant with GB/T 3452.1-2005; used for rod and sleeve sealing

1. Wear from friction with moving components (rod/sleeve); 2. Swelling and deformation from contact with incompatible lubricants; 3. Damage from impurities trapped between the seal and component.

1. Lubricate the seal with compatible lithium-based grease before installation; 2. Clean the sealing surface to remove impurities; 3. Use only recommended lubricants.

3

O sealing ring 24x2.4

P1100061AA

Nitrile rubber (NBR), shore hardness 75±5, oil-resistant, high-temperature resistant (≤120℃), compliant with GB/T 3452.1-2005; used for valve sleeve and body sealing

1. Aging and cracking from long-term use; 2. Damage from improper assembly (brute force); 3. Corrosion from drilling fluid intrusion.

1. Replace with a new ring every time the valve sleeve is disassembled; 2. Avoid brute force during assembly; 3. Prevent drilling fluid contact with the seal.

1

Guiding sleeve

4313700024

Copper alloy (ZCuSn10Pb1), surface polished, self-lubricating performance, inner diameter matching rod size, compliant with GB/T 1176-2013

1. Wear from long-term friction with the rod; 2. Scratches from impurities entering the guiding gap; 3. Corrosion from moist air and drilling fluid residues.

1. Lubricate regularly to reduce friction; 2. Clean the sleeve interior and rod surface before assembly; 3. Replace if the inner diameter is excessively enlarged or scratches are found.

2

Spacing plate

P9000012AA

Stainless steel 304, surface polished, thickness 3mm, precision machining for accurate spacing, compliant with ISO 6431

1. Deformation from uneven pressure during assembly; 2. Wear at the contact surface from long-term vibration; 3. Corrosion from chemical contaminants in the drilling environment.

1. Ensure even pressure during installation; 2. Inspect the contact surface monthly for wear; 3. Clean the plate regularly to remove contaminants.

3

Retaining ring 24

5300100030

Spring steel 65Mn, surface galvanized, hardness HRC 42-48, compliant with GB/T 894.1-1986; used for component positioning and fixation

1. Fatigue fracture from long-term vibration; 2. Zinc layer damage and corrosion; 3. Deformation from improper installation/removal with tools.

1. Use professional tools for installation and removal; 2. Replace if deformation or cracks are detected; 3. Apply anti-rust oil to the surface regularly.

1

Tapered spring ￠8

P1000050AA

Spring steel 65Mn, surface anti-rust treatment, wire diameter 1.2mm, cone angle 15°, fatigue life ≥ 10⁶ times, compliant with GB/T 1239.2-2009

1. Fatigue deformation and fracture from long-term repeated compression; 2. Corrosion from moist air and drilling fluid; 3. Damage from improper installation (over-compression).

1. Avoid over-compression beyond the spring’s rated range; 2. Clean and apply anti-rust oil regularly; 3. Replace if deformation or cracks are found.

2

Spring￠1.6

5300100071

Spring steel 65Mn, surface galvanized, wire diameter 1.6mm, coil diameter 12mm, fatigue life ≥ 10⁶ times, compliant with GB/T 1239.2-2009

1. Fatigue fracture from long-term high-frequency vibration; 2. Zinc layer damage and corrosion; 3. Deformation from contact with sharp components.

1. Inspect monthly for fatigue signs; 2. Keep the spring away from sharp components; 3. Clean and reapply anti-rust oil if the zinc layer is damaged.

1

Valve assembly

P0900015AA

Valve core: Stainless steel 304, seat: Nitrile rubber (NBR), precision machining for tight fit, compliant with API Spec 7K and ISO 6431

1. Wear of the valve seat from long-term contact with the core; 2. Jamming from impurities in the fluid/gas; 3. Corrosion of the valve core from chemical contaminants.

1. Install a filter to remove impurities; 2. Clean the valve assembly regularly; 3. Replace the valve seat every 12 months or when leakage is detected.

2

Seat ring

P1100060AA

Copper alloy (ZCuSn5Pb5Zn5), surface polished, hardness HB 80-100, compliant with GB/T 1176-2013; used for valve assembly sealing

1. Wear from long-term friction with the valve core; 2. Deformation from uneven pressure; 3. Corrosion from drilling fluid and moist air.

1. Inspect the surface monthly for wear; 2. Ensure even pressure during installation; 3. Clean and apply anti-rust oil regularly.

3

Valve sleeve

P9000013AA

Stainless steel 304, surface polished, inner wall honing (roughness Ra≤0.8μm), compliant with ISO 6431; compatible with valve assembly P0900015AA

1. Wear from long-term friction with the valve core; 2. Scratches from impurities entering the sleeve; 3. Corrosion from chemical contaminants.

1. Clean the sleeve interior before assembly; 2. Replace if inner wall scratches or excessive wear are found; 3. Avoid contact with chemical contaminants.

1

Nut M12

P5100018AA

Carbon steel 45#, surface zinc plating, thread compliant with ISO 262, hardness HRC 28-32; used for rod and oscillating arm fixation

1. Thread wear from frequent disassembly; 2. Corrosion of the zinc layer leading to thread jamming; 3. Deformation from over-tightening with improper tools.

1. Use a matching wrench to avoid over-tightening; 2. Clean and apply anti-rust oil regularly; 3. Replace if thread sliding or deformation occurs.

2

Bolt M5X6

P0900014AA

Alloy steel 8.8 grade, surface zinc plating, thread pitch 0.8mm, length 6mm, compliant with ISO 898-1; used for small component fixation

1. Fatigue fracture from long-term vibration; 2. Thread wear from over-tightening; 3. Corrosion leading to difficulty in disassembly.

1. Tighten to standard torque (3-5 N·m); 2. Minimize frequent disassembly; 3. Replace if thread wear or rust is found.

3

Nut

P1100059AA

Carbon steel 45#, surface zinc plating, thread compliant with ISO 262, hardness HRC 28-32; compatible with bolt M5X6

1. Thread wear from improper assembly; 2. Corrosion in humid drilling site environments; 3. Damage from impact by external objects.

1. Ensure proper alignment during assembly; 2. Store in a dry environment when not in use; 3. Install protective covers to prevent impact.

4

Washer

Z08240200001AA

Carbon steel 45#, surface zinc plating, thickness 1.0mm, outer diameter 18mm, compliant with GB/T 97.1-2002; used for fastener stress distribution

1. Deformation from over-tightening; 2. Corrosion of the zinc layer; 3. Wear from long-term vibration and friction.

1. Tighten fasteners to standard torque to avoid deformation; 2. Clean and apply anti-rust oil regularly; 3. Replace together with bolts and nuts during maintenance.

What are the common causes of Z08240000001AA Valve Saver jamming, and how to solve it on-site?

Common causes include: 1. Guiding sleeve wear and impurity intrusion; 2. Spring fatigue and deformation; 3. Rod bending or component misalignment. On-site solution: Disassemble the saver, clean all components, replace worn guiding sleeves, deformed springs, or bent rods; lubricate internal parts and reassemble, then conduct a test run to confirm normal operation.

How often should the Valve Saver and its matching parts be maintained and replaced?

Weekly inspection: Check for jamming, leakage, and component loosening. Monthly maintenance: Clean components, lubricate guiding and moving parts, and tighten fasteners. Replacement cycle: O sealing rings (6-12 months), springs (1-2 years), guiding sleeve (2 years), valve assembly/seat ring (2-3 years), fasteners (2 years)—adjust based on on-site working conditions.

Can non-original parts be used to replace damaged components of the Z08240000001AA Valve Saver?

It is not recommended. Original parts (e.g., P2600011AA, 4313700024) are precision-manufactured to match the Valve Saver, complying with API Spec 7K and ISO 6431 standards. Non-original parts may have improper size, insufficient durability, or poor compatibility, leading to saver malfunction, valve damage, and increased maintenance costs. Always use original parts for replacement and procurement.