Technical Characteristics:

Size:1"~64"

Pressure Grade:1.0MPa~40MPa

Service Life:same as the service life of pipeline

Ambient Temperature:-30°C~90°C

Applicable Medium: oil, gas, water, chemical feed, mineral slurry

Quality Requirement:

Insulating Resistance value≥10MΩ @DC1000V, Maximum voltage:≥3KV

Insulating Intensity: no breakdown or arc for one minute @2500V 50Hz

Hydraulic Pressure testing pressure: 1.5 times of desingned pressure

Air-tight Testing Pressure: equivalent to designed pressure

Non-destructive Testing: All the butt-connectors are 100% ray-detected according to JB4730-94; other pressure welding
seams are 100% magnetic power detected.
Groove: adopt API 5L standard

Quality Requirement:

This Product adopt's material satisfy below request

Insulanting Material: hign strength epoxy resin and fiberglas stratification composite material

Bends Intensity: Lengthways≥390MPa Side direction≥290MPa

Pulls Stretch Intensity: Lengthways≥340MPa Side direction ≥240MPa
Compressive Intensity:≥390MPa Water-absorbing≤30mg

Scaks in water behind resistance≥5x108Ω Breakdown resistance≥35KV

Assemblies steel: 16Mn JB4726; ASTM A694 F52 F60

Short pipe 20# 16Mn GB8163-99 X70 X65 X56 X52 X46 API SPEC.5L

Sealing Material: O shape or U shape gland ring: Rubber fluorine, Jing base butadiene rubber, According ASTM D2000

Lining Material: Cold solid colophony

Insulating Paint: Imports liquid epoxy resin

Anti-corrosin Insulating Material: two-component solvent-free epoxy coating, anti-corrosion thermal contraction bushing