# Connecting parts with nominal width DN 20 — GCV-20

> Valves, coupling valves, protection caps, fittings, adapters and connections for analytic instruments

- Catalog code: gcx_20
- Model: GCV-20
- Category: SF6 gas solutions › Valves and couplings
- Product page: https://avigan.com.ua/wika/en/products/gcx_20
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

The connecting part GCx-20 enables the secure storage and handling of environmentally hazardous SF6 greenhouse gas in the equipment provided for this.

## Applications

- Handling of SF 6 gas tanks
- For indoor and outdoor equipment

## Special features

- The valves can be isolated or coupled under pressure or vacuum
- Vacuum and pressure-tight (-1 ... +64 bar)
- Working temperature -40 ... +80 °C
- Leak rate: GCV, GCA, measuring chambers: ≤ 1 · 10 -8 mbar · l/s GCG: ≤ 1 · 10 -5 mbar · l/s
- GCV, GCA, measuring chambers: ≤ 1 · 10 -8 mbar · l/s
- GCG: ≤ 1 · 10 -5 mbar · l/s
- Tested helium tightness of 100 %

## Specifications

| Parameter | Value |
|---|---|
| model | GCV-20 |
| product family | GCV |
| short description | Self-closing valve for DN 20 connections, vacuum- and pressure-tight, for safe handling of SF6 gas. |
| subcategory | Valve |
| ambient temp | -40 … 80 °C |
| languages in datasheet | en |
| pressure ranges | -1 … 64 bar |
| process connections | DN 20; M33 x 2; G1B |
| wetted parts material | Aluminium; Brass; Stainless steel; aluminium; brass; stainless steel |

## Datasheet tables

| Thread A1 | Material | Order no. |
|---|---|---|
| M33 x 2 | Aluminium | 13364830 |
| M33 x 2 | Brass | 13364899 |
| G1B | Aluminium | 13365186 |
| G1B | Brass | 14045888 |

| Material | Order no. |
|---|---|
| Brass | 13363817 |
| Aluminium | 13363833 |
| Stainless steel | 13363841 |

| Thread A1 | Material | Order no. |
|---|---|---|
| G½ | Brass | 13371037 |
| G½ | Aluminium | 13371061 |
| M20 x 1.5 | Brass | 14051770 |

| Material | Order no. |
|---|---|
| Aluminium | 13384270 |

| Material | Order no. |
|---|---|
| Brass | 14098363 |
| Stainless steel | 14098362 |

| Material | Order no. |
|---|---|
| Brass | 13375807 |

| Material | Order no. |
|---|---|
| Brass | 14045655 |

| Material | Order no. |
|---|---|
| Brass | 14045681 |

| Description | Material | Order no. |
|---|---|---|
| Tongue part | Brass | 13382684 |
| Union nut | Brass | 13378377 |

| Material | Order no. |
|---|---|
| Brass | 14059683 |
| Stainless steel | 14059691 |

## Documents

- [ds_sp6114_en_co_bfb2c8](https://avigan.com.ua/wika/docs/wika/ds_sp6114_en_co.pdf) — PDF, 2018 KB, en