The MDV-1200/15-2S integrates the hydraulic system, electrical control system, high/low-pressure water pump pressure supply device, oil/water/gas pressure instrumentation system, control valve system, clamping worktable system, and a medium circulation storage tank into one test station.
The bench adopts a claw-type clamping structure to clamp the tested butterfly valve. The equipment supports the specified test procedure and test items, including hydrostatic and low-pressure gas tightness testing.

| Catégorie |
Objet |
Spécifications |
| Général |
Equipment Name |
Butterfly Valve Test Bench (Horizontal Claw Type) |
| Général |
Modèle |
MDV-1200/15-2S |
| Table de travail |
Layout |
Deux tables de travail (gauche et droite) |
| Plage de test |
Couverture de la table de travail gauche |
DN250-DN600 |
| Plage de test |
Couverture de la table de travail droite |
DN600–DN1200 |
| Milieu de test |
Hydrostatic Test |
L'eau |
| Milieu de test |
Low-Pressure Gas Tightness Test |
4–7 bar (Air or Nitrogen) |
| Éléments du test |
Champ d'application du test |
1.5×PN hydrostatic shell test; 1.1×PN high-pressure hydrostatic sealing test; 4–7 bar low-pressure gas tightness test |
| Approvisionnement en eau |
Low-Pressure Pump (Full Load Pressure) |
0-1,6 MPa |
| Approvisionnement en eau |
High-Pressure Pump Range |
1,6-20,0 MPa |
| Entraînement pneumatique |
Source d'entraînement à haute pression |
Système pneumatique 4-7 bars |
| Fonction |
Arrêt automatique |
No automatic stop function |
| Fonction |
Holding-Time Alarm |
Alarme sonore et visuelle à la fin du temps de maintien |
| Tank |
Circulation Storage Tank |
Bottom circulation tank; rust inhibitor (powder) used as specified |
| Pipeline |
Pressurization/Relief |
One-way pressurization and pressure relief |
Left Worktable: DN250–DN600
| Diamètre nominal |
Nominal Pressure |
Plage de pression d'essai |
| DN250 |
1,6-10,0 MPa |
1,6-15,0 MPa |
| DN300 |
1,6-10,0 MPa |
1,6-15,0 MPa |
| DN350 |
1,6-10,0 MPa |
1,6-15,0 MPa |
| DN400 |
1,6-10,0 MPa |
1,6-15,0 MPa |
| DN450 |
1.6–5.0 MPa |
1.6–7.5 MPa |
| DN500 |
1.6–5.0 MPa |
1.6–7.5 MPa |
| DN600 |
1,6-2,5 MPa |
1,6-3,75 MPa |
Right Worktable: DN600–DN1200
| Diamètre nominal |
Nominal Pressure |
Plage de pression d'essai |
| DN600 |
1.0–6.4 MPa |
1.0–9.6 MPa |
| DN700 |
1.0–6.4 MPa |
1.0–9.6 MPa |
| DN800 |
1.0–4.0 MPa |
1.0–6.0 MPa |
| DN900 |
1.0–4.0 MPa |
1.0–6.0 MPa |
| DN1000 |
1.0–2.5 MPa |
1.0–3.75 MPa |
| DN1200 |
1.0–2.5 MPa |
1.0–3.75 MPa |
Caractéristiques et fonctions du produit
- Dual-worktable structure covering DN250–DN1200 butterfly valve testing ranges
- Supports specified test items: 1.5×PN shell, 1.1×PN high-pressure sealing, and 4–7 bar low-pressure gas tightness testing
- High/low-pressure staged water supply: 0–1.6 MPa low-pressure filling; 1.6–20.0 MPa high-pressure range
- After reaching required test pressure: no automatic stop function
- Bottom circulation tank with rust inhibitor (powder) to reduce rust/corrosion as specified
- One-way pressurization/relief pipeline design with holding-time audible/visual alarm
Avantages du produit
- One bench covers two ranges: DN250–DN600 and DN600–DN1200
- Supports hydrostatic and low-pressure gas tightness test items in one station
- Defined staged water supply and pneumatic-driven high-pressure system as specified
- Matched fixture ranges for two worktables support different valve sizes within the stated ranges
La force de notre entreprise
Highlight est spécialisée dans les équipements d'essai de pression et les systèmes d'essai de contrôle des fluides, et propose des modèles standard et des configurations basées sur des projets :
- 14+ years focused on pressure testing equipment and pneumatic boosting systems
- Capacité de production annuelle : plus de 1000 équipements
- Plus de 8000 clients servis
- Soutien à l'équipe d'ingénierie pour l'adaptation des appareils, la sélection de la configuration et la communication technique
- Mise en œuvre d'une gestion de la qualité basée sur la norme ISO9001 et processus de fabrication stable
- Expérience en matière de soutien à l'exportation pour les acheteurs internationaux en matière de documentation et d'assistance technique
Fixture and Configuration Details
A) Fixture Adaptation Ranges
Left Worktable (DN250–DN600):
- Tested valve structure length: 165–390 mm
- Tested valve flange outer diameter: Ø405–Ø845 mm
- Claw disc spacing: 310–630 mm
- Clamping cylinders: 4 × Ø220 mm
- Piston rods: 4 × Ø110 mm
- Max clamping force: 320 tons
Right Worktable (DN600–DN1200):
Tested valve structure length: 154–630 mm
- Tested valve flange outer diameter: Ø840–Ø1530 mm
- Claw disc spacing: 410–960 mm
- Clamping cylinders: 6 × Ø250 mm
- Piston rods: 6 × Ø135 mm
- Max clamping force: 550 tons
B) Product Configuration (as specified)
- High-pressure water pump: in-house high-pressure pump
- Sealing parts: O-ring imported (Taiwan); oil cylinder seals use TPU sealing material (Taiwan)
- Piston rod: 40Cr, hardness HRC28–32, surface hard chrome plating
- Hydraulic oil piping material: Q35 seamless steel pipe
- Water/air pipeline control valve: soft-seal valve
- Hydraulic manifold block: pickling & cleaning treatment; surface chrome plating
- Hydraulic pipelines and water pipelines: pickling & cleaning treatment