Discharge Manifold 107.164.00 Parts

1

Discharge Manifold

107.164.00

High-strength carbon steel (A105) with epoxy anti-corrosion coating, precision machined for tight tolerance

1. Erosion-corrosion from high-velocity fluid with solid particles; 2. Stress cracking from cyclic pressure fluctuations; 3. Coating damage leading to base material rust.

1. Install a strainer upstream to filter solid impurities; 2. Monitor system pressure to stay within rated limits (≤2.5MPa); 3. Touch up coating annually to prevent corrosion.

1

Case

107.164.10.00

Cast iron (HT250) for high rigidity and impact resistance, surface painted for rust protection

1. Impact damage from mechanical collisions during installation/operation; 2. Crack formation from uneven torque on fasteners; 3. Corrosion from moisture and chemical fumes.

1. Avoid mechanical impacts; torque fasteners uniformly per GB/T 1231; 2. Install in a well-ventilated, dry area; 3. Inspect for cracks via non-destructive testing annually.

1

Elbow

107.164.01

Stainless steel (304) for corrosion resistance and high-pressure tolerance, precision forged

1. Erosion at the inner bend from high-velocity fluid; 2. Weld joint fatigue from cyclic pressure; 3. Pitting corrosion from chloride-rich media.

1. Minimize flow velocity to reduce erosion; 2. Inspect weld joints for cracks during routine maintenance; 3. Use 316L grade for chloride concentrations over 50ppm (per ASTM A480).

2

Flange

107.164.02

Carbon steel (A105) with raised face, compatible with ANSI B16.5 standards

1. Sealing surface damage from scratches or debris; 2. Bolt hole deformation from over-torquing; 3. Corrosion at the flange face leading to leakage.

1. Clean and inspect sealing surfaces before assembly; 2. Torque bolts in a crisscross pattern to specified values; 3. Use compatible gaskets (PTFE for chemical service).

3

Flange

107.164.03

Carbon steel (Q235B) with galvanized coating for enhanced rust resistance

1. Galvanized coating wear leading to base material rust; 2. Sealing failure from improper gasket selection; 3. Stress cracking from misaligned pipeline connections.

1. Ensure pipeline alignment before flange installation; 2. Replace gaskets after each disassembly; 3. Touch up galvanized coating if damaged to prevent corrosion.

4

Plug

107.164.04 (2")

Brass (H59) for good sealing performance and chemical resistance

1. Thread damage from cross-threading or over-tightening; 2. Corrosion from aggressive process fluids; 3. Sealing failure due to debris on threads.

1. Apply thread sealant before installation; 2. Avoid over-tightening to prevent thread stripping; 3. Clean threads thoroughly to remove debris.

5

Elbow

107.164.05 (2")

Stainless steel (316L) for superior corrosion resistance in harsh chemical environments

1. Erosion from abrasive fluids; 2. Crevice corrosion at connection points; 3. Fatigue from repeated pressure cycling.

1. Install in low-abrasion flow zones when possible; 2. Seal connection points with anti-corrosion compound; 3. Inspect for crevice corrosion quarterly.

1

Strainer

107.164.20.00

Stainless steel (304) filter mesh (50μm); carbon steel (Q235) housing

1. Clogging from excessive solid particles; 2. Filter mesh damage from high-pressure surges; 3. Housing corrosion from fluid contaminants.

1. Clean or replace the filter mesh monthly (more frequently for high-impurity fluids); 2. Install a pressure relief valve to avoid surges; 3. Flush the strainer before reinstallation.

1

Nut

G3-9-92 (M36x3)

Alloy steel (45#), heat-treated for high wear resistance and tensile strength

1. Thread wear from repeated assembly/disassembly; 2. Loosening due to system vibration; 3. Deformation from over-torquing.

1. Use lock washers to prevent vibration-induced loosening; 2. Torque to 180N·m with a torque wrench; 3. Replace if threads are stripped or deformed.

2

Stud

C1-13-92 (M36x3 L=120)

Alloy steel (40CrNiMoA), heat-treated to 10.9 grade for high fatigue resistance

1. Fatigue failure from cyclic pressure and vibration; 2. Thread galling during installation; 3. Corrosion from moisture or chemical exposure.

1. Apply anti-galling compound to threads; 2. Retorque after initial 50 hours of operation; 3. Conduct magnetic particle inspection annually for cracks.

3

Stud

107.10.110.16 (M36x3 L=215)

Stainless steel (316) for corrosion resistance in chemical-rich environments

1. Pitting corrosion from aggressive media; 2. Bending from misaligned components; 3. Thread damage from improper installation.

1. Ensure component alignment before tightening; 2. Avoid reusing after overload; 3. Store in a dry, corrosion-free environment before installation.

1

Ring

107.04.110.42-1

Nitrile rubber (NBR) for good oil resistance and elasticity, suitable for low-temperature operations

1. Aging and hardening from long service life or high temperatures; 2. Abrasion from fluid contaminants; 3. Extrusion damage from excessive pressure.

1. Replace every 6 months or if hardening is detected; 2. Ensure fluid is filtered to remove debris; 3. Operate within recommended temperature range (-20℃ to 80℃).

2

Ring

107.04A.160.03-1

Fluororubber (FKM) for superior chemical and high-temperature resistance

1. Degradation from incompatible chemicals (e.g., strong bases); 2. Thermal aging at temperatures exceeding 200℃; 3. Damage from sharp component edges during assembly.

1. Verify chemical compatibility before use; 2. Avoid exposure to temperatures above 200℃; 3. Smooth sharp edges on mating parts to prevent cutting.

3

Pin

GB117-86 (A10x40)

Carbon steel (45#), surface hardened for wear resistance, zinc-plated for rust protection

1. Shear failure from excessive lateral loads; 2. Rust from zinc coating wear; 3. Bending from misaligned part installation.

1. Ensure loads stay within rated shear capacity; 2. Inspect coating integrity and touch up if damaged; 3. Align parts properly to avoid lateral stress on the pin.

What is the recommended maintenance interval for the strainer (107.164.20.00)?

For standard fluid with low impurity content, clean/replace the filter mesh monthly. For high-impurity fluids (e.g., wastewater), shorten to biweekly. Always replace the mesh if it’s torn or damaged to protect downstream components.

Can NBR and FKM rings be used interchangeably?

No. NBR is ideal for oil-based fluids and low temperatures (-20℃ to 80℃), while FKM suits high temperatures (up to 200℃) and chemical-rich environments. Interchangeability risks seal failure; match the ring material to the fluid and temperature.

How to handle stud thread galling during installation?

Apply anti-galling compound (e.g., molybdenum disulfide) to threads before installation. Avoid over-tightening and ensure proper alignment. If galling occurs, replace the stud—reusing damaged studs risks connection failure under pressure.