Stop globe valve 32mm RAKtherm PPRc

Description

Stop globe valve 32mm RAKtherm PPRc

 

RAKtherm imported PPRc, Food graded third generation Poly propelene Random with Co-polymer
materials. contact 0322-3540656

 

 

What is Stop globe valve 32mm RAKtherm PPRc ?

 

RAKtherm PPRc (Polypropylene Random Copolymer) valves, including Stop Globe Valves (also referred to as Stop Valves or Gate-type Stop Valves) and Gate Valves in 32mm size, PN25 rating, are high-quality plumbing components imported from the UAE (manufactured by RAKtherm, a leading UAE-based producer of PPR piping systems).

These are designed for pressurized hot and cold water systems, HVAC applications, water supply, and distribution in residential, commercial, and industrial buildings. They integrate seamlessly with RAKtherm PPR pipes (PN10 to PN25 series).

Description

• PPRc Material: Durable, corrosion-resistant Polypropylene Random Copolymer. It offers excellent thermal stability, chemical resistance, and long service life (typically 50+ years under normal conditions). Non-toxic and suitable for potable water.
• Stop Globe Valve (Stop Valve): A globe-style or gate-type isolation valve used for shutting off or regulating flow. It provides good throttling capability (better flow control than a pure gate valve) but with higher flow resistance. Often called “Stop Globe” or “Gate (Stop) Valve” in product listings.
• Gate Valve: Features a wedge-shaped gate that moves perpendicular to the flow for full on/off isolation. Low pressure drop when fully open, ideal for main lines where minimal flow restriction is needed.
• 32mm Size: Matches common PPR pipe diameters (outer diameter). Available in exposed and concealed (hidden in-wall with rosette/cover) versions.
• PN25 Rating: Pressure Nominal 25 bar (at 20°C; derates with higher temperatures, e.g., suitable for hot water up to ~95°C depending on exact specs). Color-coded (often green for cold, red/white for hot).

Key Advantages (typical for RAKtherm PPR systems):

• Lightweight, easy to handle.
• Fusion-welded joints (socket fusion) create leak-proof, homogeneous connections.
• Resistant to scaling, corrosion, and UV (in some variants).
• Low noise, good insulation properties.

Specifications (Typical for 32mm PN25)

• Size: 32mm (other sizes: 20mm, 25mm, 40mm, etc., available).
• Pressure Rating: PN25.
• Temperature Range: Suitable for cold water and hot water (up to 70–95°C continuous, short-term higher).
• Connection: Socket fusion (heat-welded to PPR pipes).
• Material: PPR body with possible brass inserts or reinforcements in some models.
• Dimensions (example for concealed stop valve, approx.): Varies by model; e.g., overall length ~97mm, height ~90mm for similar 32mm units.
• Standards: Complies with relevant DIN 8077/8078 or equivalent for PPR systems.
• Variants: Exposed gate/stop valves, concealed assemblies with rosette (e.g., Ø76mm cover), ball valves also in the lineup.

Exact dimensions, weights, and flow coefficients (Kv) are in RAKtherm’s official catalogue.

Installation

PPR valves use socket fusion welding (not threaded, unless hybrid adapters are used):

1. Preparation: Cut PPR pipe squarely, deburr, and clean. Measure insertion depth.
2. Tools: PPR fusion welding machine (with appropriate 32mm sockets), pipe cutter, timer.
3. Welding: Heat pipe end and valve socket to ~260°C for the recommended time (per welding table — typically seconds for 32mm), then join firmly and hold briefly. Allow cooling.
4. Concealed Versions: Install in-wall box or chase; use protective rosette/cover plate. Ensure access for operation.
5. Orientation: Follow flow direction if marked. Test system pressure after installation.
6. Best Practices: Avoid over-tightening; use proper support; comply with local plumbing codes. Professional installation recommended for pressure systems.

Note: Fusion creates a permanent joint — valves are not easily removable without cutting.

Usage

• Primary Applications: Isolating sections of hot/cold water supply lines, HVAC chilled/hot water circuits, risers, branches, or appliances (e.g., before water heaters, pumps).
• Gate Valves: Best for full open/closed service (low resistance).
• Stop Globe Valves: Better for flow regulation or frequent operation where some throttling is needed.
• Maintenance: Virtually maintenance-free; inspect for leaks periodically. PPR is durable but avoid mechanical damage or extreme over-pressurization