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COC — Certificate of Conformance

Kesesuaian produk dengan spesifikasi

Test Certificate 3.1

EN 10204

Mill cert hasil uji material dari pabrikan

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Velan Gate Valve Tersedia untuk disupply

Gate Valve - Velan

1. Universal Trim & Material Configuration

Stem: 13Cr stainless steel
Wedge: Clad with CA15 (13Cr) or CoCr alloy (API Trim 8)
Seat: CoCr hard-faced, mirror-polished
Max Temp: 850°F (454°C)

2. Wedge Design (Flexible & Durable)

Low Center-of-Contact: Reduces friction and wear
Material Options:
- Solid CA15 (13Cr)
- Clad with 13Cr, SS 316, Monel, or CoCr
CF8M Option: CoCr hard-faced wedge available
Precision Finish: Ground + polished to prevent seat damage

3. Stem Mechanism

Non-Rotating Stem: Prevents thread wear
ACME Threads: Precision-machined, polished
Double ACME: Faster operation

4. Body & Bonnet Construction

Precision Machining: Tight tolerances
Single-Piece Bonnet (Class 150 to NPS 16 / DN 400):
- Better alignment
- Fewer leak paths
Flange Standards:
- ASME 150–300: 1⁄16" raised face
- ASME 600–1500: ¼" raised face

★★★★★4.8 dari ulasan klien

Spesifikasi utama

Size range— tanyakan via inquiry

Pressure class— tanyakan via inquiry

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Size, class, dan end connection menentukan harga akhir. Kirim detail spesifikasi untuk penawaran akurat.

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Deskripsi & fitur Cara order FAQ

Deskripsi Lengkap

Universal Trim: Stem 13Cr, wedge clad with CA 15 or 13Cr, and seat clad with CoCr alloy (API Trim 8), suitable for applications up to 850°F (454°C). The seating surface is hard-faced with CoCr alloy, precision-ground, and mirror-polished.

Flexible Wedge: Features a low center-of-contact stem-to-wedge design, made of solid CA15 (13Cr) or clad with 13Cr, SS 316, Monel, or CoCr. The wedge is ground, polished, and tightly guided to prevent dragging and seat damage. A CF8M wedge with CoCr hard-facing is also available.

Non-Rotating Stem: Precision ACME threads with polished finish. Double ACME for faster operation.

Body & Bonnet: Machined accurately. Precision-cast body and bonnet. Single-piece bonnet for better alignment and fewer parts (Class 150 to NPS 16 / DN 400).

Flanges:

ASME Class 150–300: 1⁄16" raised face
ASME Class 600–1500: ¼" raised face
Finish: 125–250 AARH for all gate valve API 600.

Rotating Stem Nut: Renewable austenitic ductile iron Gr. D-2C (as indicated).

Handwheel Thrust Bearings:

ASME 150–300: NPS 10–12 (DN 250–300) – 1 bearing (top) NPS 14 (DN 350) & above – 2 bearings
ASME 600–1500: NPS 6 (DN 150) & above – 2 bearings

Keunggulan & Fitur Umum

Seal presisi tinggi, meminimalisir kebocoran dalam sistem perpipaan.

Material tahan karat dan korosi, cocok untuk lingkungan industri berat.

Mudah diintegrasikan dengan aktuator elektrik maupun pneumatik.

Gate Valve

Gate Valve – Velan

1. Universal Trim & Material Configuration

Stem: 13Cr stainless steel
Wedge: Clad with CA15 (13Cr) or CoCr alloy (API Trim 8)
Seat: CoCr hard-faced, mirror-polished
Max Temp: 850°F (454°C)

2. Wedge Design (Flexible & Durable)

Low Center-of-Contact: Reduces friction and wear
Material Options:
- Solid CA15 (13Cr)
- Clad with 13Cr, SS 316, Monel, or CoCr
CF8M Option: CoCr hard-faced wedge available
Precision Finish: Ground + polished to prevent seat damage

3. Stem Mechanism

Non-Rotating Stem: Prevents thread wear
ACME Threads: Precision-machined, polished
Double ACME: Faster operation

4. Body & Bonnet Construction

Precision Machining: Tight tolerances
Single-Piece Bonnet (Class 150 to NPS 16 / DN 400):
- Better alignment
- Fewer leak paths
Flange Standards:
- ASME 150–300: 1⁄16″ raised face
- ASME 600–1500: ¼” raised face